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0 0 0 3.91-.93A6.74 6.74 0 0 0 239.2 44a10.38 10.38 0 0 0 1-4.88v-1.4l-6.13 1a13.25 13.25 0 0 0-5.52 1.75 3.66 3.66 0 0 0-1.85 3.06 3.46 3.46 0 0 0 .85 2.41 5.33 5.33 0 0 0 2.16 1.42 8 8 0 0 0 2.8.45ZM254.47 52.07a1.25 1.25 0 0 1-1.3-1.31V13.12a1.25 1.25 0 0 1 1.3-1.31h3.74a1.25 1.25 0 0 1 1.3 1.31v37.64a1.25 1.25 0 0 1-1.3 1.31Z"></path></g></svg></div></a><div class="hidden xl:block"><ul class="flex"><li><div class="block py-2 px-2 xl:px-3 no-underline cursor-pointer select-none text-gray-200 hover:text-white"><span>Features</span><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="angle-down" class="svg-inline--fa fa-angle-down inline-block pb-0.5 ml-2 text-gray-400 text-xxs" role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path fill="currentColor" d="M201.4 374.6c12.5 12.5 32.8 12.5 45.3 0l160-160c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0L224 306.7 86.6 169.4c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3l160 160z"></path></svg><div class="absolute mt-0 pt-2.5 z-10 w-72 hidden"><div class="w-72 px-3 py-4 bg-white shadow rounded-lg text-left"><h3 class="px-2 c_h-heading c_h-heading--caps text-sm tracking-wider text-gray-600 pb-2">Monitoring features</h3><ul><li><a class="flex items-center space-x-3 px-2 py-1 no-underline rounded transition-colors group" href="/tour/errors"><div class="text-orange-500 flex justify-center items-center h-7 w-7 border border-gray-200 bg-white shadow-sm rounded-md group-hover:shadow transition-all"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="bug" class="svg-inline--fa fa-bug fa-xs " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M256 0c53 0 96 43 96 96v3.6c0 15.7-12.7 28.4-28.4 28.4H188.4c-15.7 0-28.4-12.7-28.4-28.4V96c0-53 43-96 96-96zM41.4 105.4c12.5-12.5 32.8-12.5 45.3 0l64 64c.7 .7 1.3 1.4 1.9 2.1c14.2-7.3 30.4-11.4 47.5-11.4H312c17.1 0 33.2 4.1 47.5 11.4c.6-.7 1.2-1.4 1.9-2.1l64-64c12.5-12.5 32.8-12.5 45.3 0s12.5 32.8 0 45.3l-64 64c-.7 .7-1.4 1.3-2.1 1.9c6.2 12 10.1 25.3 11.1 39.5H480c17.7 0 32 14.3 32 32s-14.3 32-32 32H416c0 24.6-5.5 47.8-15.4 68.6c2.2 1.3 4.2 2.9 6 4.8l64 64c12.5 12.5 12.5 32.8 0 45.3s-32.8 12.5-45.3 0l-63.1-63.1c-24.5 21.8-55.8 36.2-90.3 39.6V240c0-8.8-7.2-16-16-16s-16 7.2-16 16V479.2c-34.5-3.4-65.8-17.8-90.3-39.6L86.6 502.6c-12.5 12.5-32.8 12.5-45.3 0s-12.5-32.8 0-45.3l64-64c1.9-1.9 3.9-3.4 6-4.8C101.5 367.8 96 344.6 96 320H32c-17.7 0-32-14.3-32-32s14.3-32 32-32H96.3c1.1-14.1 5-27.5 11.1-39.5c-.7-.6-1.4-1.2-2.1-1.9l-64-64c-12.5-12.5-12.5-32.8 0-45.3z"></path></svg></div><span class="text-gray-700 group-hover:text-gray-800">Error tracking</span></a></li><li><a class="flex items-center space-x-3 px-2 py-1 no-underline rounded transition-colors group" href="/tour/performance"><div class="text-green-500 flex justify-center items-center h-7 w-7 border border-gray-200 bg-white shadow-sm rounded-md group-hover:shadow transition-all"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="rabbit-running" class="svg-inline--fa fa-rabbit-running fa-xs " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 576 512"><path fill="currentColor" d="M460.7 39.3l-2.2-2.1c-4.7-4.6-11.5-6.4-17.9-4.7s-11.4 6.6-13.1 13l-.8 2.9c-3.3 11.8-5.1 23.7-5.5 35.6c24.3 20.6 42.9 47.8 53.3 78.8c-8.2-1.9-16.5-2.9-25-2.9c-.6 0-1.1 0-1.7 0c-18.4-44-56.5-77.4-103.6-89.3l-3.4-.9c-6.2-1.6-12.9-.6-18.5 2.6c-10.8 6.2-15.6 19.5-11.2 31.1c14.9 39.5 44.3 71.4 81.4 89.7c-3.7 6.6-6.4 14-7.6 21.8L279.7 154.9C248.8 137.3 213.8 128 178.2 128c-32.3 0-62.2 16.8-78.9 44.4C89 159.9 73.4 152 56 152c-30.9 0-56 25.1-56 56s25.1 56 56 56c11.3 0 21.8-3.3 30.6-9.1c4.9 17.2 14.5 33.1 28.4 45.9L257.2 431.2C269 442 284.4 448 300.4 448H416c17.7 0 32-14.3 32-32s-14.3-32-32-32H352 335.2 320V340.5c0-42.9-28.4-80.5-69.6-92.3l-30.8-8.8c-8.5-2.4-13.4-11.3-11-19.8s11.3-13.4 19.8-11l30.8 8.8c55 15.7 92.8 65.9 92.8 123.1v15.7l56-32.4 6.4-3.7H515.7c33.3 0 60.3-27 60.3-60.3c0-18.1-8.2-35.3-22.2-46.7l-34.6-28.2c-4.6-3.7-9.4-7.1-14.5-10c8.4-49.3-7.8-100-43.9-135.5zm-318.5 382c-14.7 9.8-18.7 29.7-8.9 44.4s29.7 18.7 44.4 8.9l46-30.7-48.6-44.5-32.9 22zM480 240a16 16 0 1 1 32 0 16 16 0 1 1 -32 0z"></path></svg></div><span class="text-gray-700 group-hover:text-gray-800">Performance monitoring</span></a></li><li><a class="flex items-center space-x-3 px-2 py-1 no-underline rounded transition-colors group" href="/tour/hosts"><div class="text-teal-500 flex justify-center items-center h-7 w-7 border border-gray-200 bg-white shadow-sm rounded-md group-hover:shadow transition-all"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="server" class="svg-inline--fa fa-server fa-xs " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M64 32C28.7 32 0 60.7 0 96v64c0 35.3 28.7 64 64 64H448c35.3 0 64-28.7 64-64V96c0-35.3-28.7-64-64-64H64zm280 72a24 24 0 1 1 0 48 24 24 0 1 1 0-48zm48 24a24 24 0 1 1 48 0 24 24 0 1 1 -48 0zM64 288c-35.3 0-64 28.7-64 64v64c0 35.3 28.7 64 64 64H448c35.3 0 64-28.7 64-64V352c0-35.3-28.7-64-64-64H64zm280 72a24 24 0 1 1 0 48 24 24 0 1 1 0-48zm56 24a24 24 0 1 1 48 0 24 24 0 1 1 -48 0z"></path></svg></div><span class="text-gray-700 group-hover:text-gray-800">Host monitoring</span></a></li><li><a class="flex items-center space-x-3 px-2 py-1 no-underline rounded transition-colors group" href="/tour/anomaly-detection"><div class="text-red-500 flex justify-center items-center h-7 w-7 border border-gray-200 bg-white shadow-sm rounded-md group-hover:shadow transition-all"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="siren-on" class="svg-inline--fa fa-siren-on fa-xs " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 640 512"><path fill="currentColor" d="M69.3 36l48 32c11 7.4 14 22.3 6.7 33.3s-22.3 14-33.3 6.7l-48-32c-11-7.4-14-22.3-6.7-33.3s22.3-14 33.3-6.7zM597.3 76l-48 32c-11 7.4-25.9 4.4-33.3-6.7s-4.4-25.9 6.7-33.3l48-32c11-7.4 25.9-4.4 33.3 6.7s4.4 25.9-6.7 33.3zM24 192H88c13.3 0 24 10.7 24 24s-10.7 24-24 24H24c-13.3 0-24-10.7-24-24s10.7-24 24-24zm528 0h64c13.3 0 24 10.7 24 24s-10.7 24-24 24H552c-13.3 0-24-10.7-24-24s10.7-24 24-24zM144 352l25-199.9c4-32 31.2-56.1 63.5-56.1h175c32.3 0 59.5 24 63.5 56.1L496 352H234.1l21.8-174c1.1-8.8-5.1-16.8-13.9-17.9s-16.8 5.1-17.9 13.9L201.9 352H144zM96 416c0-17.7 14.3-32 32-32H512c17.7 0 32 14.3 32 32v32c0 17.7-14.3 32-32 32H128c-17.7 0-32-14.3-32-32V416z"></path></svg></div><span class="text-gray-700 group-hover:text-gray-800">Anomaly detection</span></a></li><li><a class="flex items-center space-x-3 px-2 py-1 no-underline rounded transition-colors group" href="/tour/uptime-monitoring"><div class="text-yellow-500 flex justify-center items-center h-7 w-7 border border-gray-200 bg-white shadow-sm rounded-md group-hover:shadow transition-all"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="traffic-light" class="svg-inline--fa fa-traffic-light fa-xs " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path fill="currentColor" d="M64 0C28.7 0 0 28.7 0 64V352c0 88.4 71.6 160 160 160s160-71.6 160-160V64c0-35.3-28.7-64-64-64H64zm96 416a48 48 0 1 1 0-96 48 48 0 1 1 0 96zm48-176a48 48 0 1 1 -96 0 48 48 0 1 1 96 0zm-48-80a48 48 0 1 1 0-96 48 48 0 1 1 0 96z"></path></svg></div><span class="text-gray-700 group-hover:text-gray-800">Uptime monitoring</span></a></li><li><a class="flex items-center space-x-3 px-2 py-1 no-underline rounded transition-colors group" href="/tour/metrics"><div class="text-purple-500 flex justify-center items-center h-7 w-7 border border-gray-200 bg-white shadow-sm rounded-md group-hover:shadow transition-all"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="gauge-high" class="svg-inline--fa fa-gauge-high fa-xs " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M0 256a256 256 0 1 1 512 0A256 256 0 1 1 0 256zM288 96a32 32 0 1 0 -64 0 32 32 0 1 0 64 0zM256 416c35.3 0 64-28.7 64-64c0-17.4-6.9-33.1-18.1-44.6L366 161.7c5.3-12.1-.2-26.3-12.3-31.6s-26.3 .2-31.6 12.3L257.9 288c-.6 0-1.3 0-1.9 0c-35.3 0-64 28.7-64 64s28.7 64 64 64zM176 144a32 32 0 1 0 -64 0 32 32 0 1 0 64 0zM96 288a32 32 0 1 0 0-64 32 32 0 1 0 0 64zm352-32a32 32 0 1 0 -64 0 32 32 0 1 0 64 0z"></path></svg></div><span class="text-gray-700 group-hover:text-gray-800">Metric dashboards</span></a></li><li><a class="flex items-center space-x-3 px-2 py-1 no-underline rounded transition-colors group" href="/tour/workflow"><div class="text-blue-500 flex justify-center items-center h-7 w-7 border border-gray-200 bg-white shadow-sm rounded-md group-hover:shadow transition-all"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="users" class="svg-inline--fa fa-users fa-xs " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 640 512"><path fill="currentColor" d="M144 0a80 80 0 1 1 0 160A80 80 0 1 1 144 0zM512 0a80 80 0 1 1 0 160A80 80 0 1 1 512 0zM0 298.7C0 239.8 47.8 192 106.7 192h42.7c15.9 0 31 3.5 44.6 9.7c-1.3 7.2-1.9 14.7-1.9 22.3c0 38.2 16.8 72.5 43.3 96c-.2 0-.4 0-.7 0H21.3C9.6 320 0 310.4 0 298.7zM405.3 320c-.2 0-.4 0-.7 0c26.6-23.5 43.3-57.8 43.3-96c0-7.6-.7-15-1.9-22.3c13.6-6.3 28.7-9.7 44.6-9.7h42.7C592.2 192 640 239.8 640 298.7c0 11.8-9.6 21.3-21.3 21.3H405.3zM224 224a96 96 0 1 1 192 0 96 96 0 1 1 -192 0zM128 485.3C128 411.7 187.7 352 261.3 352H378.7C452.3 352 512 411.7 512 485.3c0 14.7-11.9 26.7-26.7 26.7H154.7c-14.7 0-26.7-11.9-26.7-26.7z"></path></svg></div><span class="text-gray-700 group-hover:text-gray-800">Workflow</span></a></li><li><a class="flex items-center space-x-3 px-2 py-1 no-underline rounded transition-colors group" href="/tour/log-management"><div class="text-hot-pink-500 flex justify-center items-center h-7 w-7 border border-gray-200 bg-white shadow-sm rounded-md group-hover:shadow transition-all"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="line-columns" class="svg-inline--fa fa-line-columns fa-xs " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M224 64c0-17.7-14.3-32-32-32H32C14.3 32 0 46.3 0 64S14.3 96 32 96H192c17.7 0 32-14.3 32-32zm0 128c0-17.7-14.3-32-32-32H32c-17.7 0-32 14.3-32 32s14.3 32 32 32H192c17.7 0 32-14.3 32-32zM0 320c0 17.7 14.3 32 32 32H192c17.7 0 32-14.3 32-32s-14.3-32-32-32H32c-17.7 0-32 14.3-32 32zM224 448c0-17.7-14.3-32-32-32H32c-17.7 0-32 14.3-32 32s14.3 32 32 32H192c17.7 0 32-14.3 32-32zM288 64c0 17.7 14.3 32 32 32H480c17.7 0 32-14.3 32-32s-14.3-32-32-32H320c-17.7 0-32 14.3-32 32zM512 192c0-17.7-14.3-32-32-32H320c-17.7 0-32 14.3-32 32s14.3 32 32 32H480c17.7 0 32-14.3 32-32zM288 320c0 17.7 14.3 32 32 32H480c17.7 0 32-14.3 32-32s-14.3-32-32-32H320c-17.7 0-32 14.3-32 32zM512 448c0-17.7-14.3-32-32-32H320c-17.7 0-32 14.3-32 32s14.3 32 32 32H480c17.7 0 32-14.3 32-32z"></path></svg></div><span class="text-gray-700 group-hover:text-gray-800">Log management</span></a></li><li><a class="flex items-center space-x-3 px-2 py-1 no-underline rounded transition-colors group" href="/tour/automated-dashboards"><div class="text-purple-500 flex justify-center items-center h-7 w-7 border border-gray-200 bg-white shadow-sm rounded-md group-hover:shadow transition-all"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="gauge-high" class="svg-inline--fa fa-gauge-high fa-xs " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M0 256a256 256 0 1 1 512 0A256 256 0 1 1 0 256zM288 96a32 32 0 1 0 -64 0 32 32 0 1 0 64 0zM256 416c35.3 0 64-28.7 64-64c0-17.4-6.9-33.1-18.1-44.6L366 161.7c5.3-12.1-.2-26.3-12.3-31.6s-26.3 .2-31.6 12.3L257.9 288c-.6 0-1.3 0-1.9 0c-35.3 0-64 28.7-64 64s28.7 64 64 64zM176 144a32 32 0 1 0 -64 0 32 32 0 1 0 64 0zM96 288a32 32 0 1 0 0-64 32 32 0 1 0 0 64zm352-32a32 32 0 1 0 -64 0 32 32 0 1 0 64 0z"></path></svg></div><span class="text-gray-700 group-hover:text-gray-800">Automated Dashboards</span></a></li><li><a class="flex items-center space-x-3 px-2 py-1 no-underline rounded transition-colors group" href="/tour/check-ins"><div class="text-blue-500 flex justify-center items-center h-7 w-7 border border-gray-200 bg-white shadow-sm rounded-md group-hover:shadow transition-all"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="square-check" class="svg-inline--fa fa-square-check fa-xs " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path fill="currentColor" d="M64 32C28.7 32 0 60.7 0 96V416c0 35.3 28.7 64 64 64H384c35.3 0 64-28.7 64-64V96c0-35.3-28.7-64-64-64H64zM337 209L209 337c-9.4 9.4-24.6 9.4-33.9 0l-64-64c-9.4-9.4-9.4-24.6 0-33.9s24.6-9.4 33.9 0l47 47L303 175c9.4-9.4 24.6-9.4 33.9 0s9.4 24.6 0 33.9z"></path></svg></div><span class="text-gray-700 group-hover:text-gray-800">Check-ins</span></a></li><li><a class="flex items-center space-x-3 px-2 py-1 no-underline rounded transition-colors group" href="/tour/time-detective"><div class="text-azure-500 flex justify-center items-center h-7 w-7 border border-gray-200 bg-white shadow-sm rounded-md group-hover:shadow transition-all"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="user-secret" class="svg-inline--fa fa-user-secret fa-xs " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path fill="currentColor" d="M224 16c-6.7 0-10.8-2.8-15.5-6.1C201.9 5.4 194 0 176 0c-30.5 0-52 43.7-66 89.4C62.7 98.1 32 112.2 32 128c0 14.3 25 27.1 64.6 35.9c-.4 4-.6 8-.6 12.1c0 17 3.3 33.2 9.3 48H45.4C38 224 32 230 32 237.4c0 1.7 .3 3.4 1 5l38.8 96.9C28.2 371.8 0 423.8 0 482.3C0 498.7 13.3 512 29.7 512H418.3c16.4 0 29.7-13.3 29.7-29.7c0-58.5-28.2-110.4-71.7-143L415 242.4c.6-1.6 1-3.3 1-5c0-7.4-6-13.4-13.4-13.4H342.7c6-14.8 9.3-31 9.3-48c0-4.1-.2-8.1-.6-12.1C391 155.1 416 142.3 416 128c0-15.8-30.7-29.9-78-38.6C324 43.7 302.5 0 272 0c-18 0-25.9 5.4-32.5 9.9c-4.8 3.3-8.8 6.1-15.5 6.1zm56 208H267.6c-16.5 0-31.1-10.6-36.3-26.2c-2.3-7-12.2-7-14.5 0c-5.2 15.6-19.9 26.2-36.3 26.2H168c-22.1 0-40-17.9-40-40V169.6c28.2 4.1 61 6.4 96 6.4s67.8-2.3 96-6.4V184c0 22.1-17.9 40-40 40zm-88 96l16 32L176 480 128 288l64 32zm128-32L272 480 240 352l16-32 64-32z"></path></svg></div><span class="text-gray-700 group-hover:text-gray-800">Time Detective</span></a></li></ul></div></div></div></li><li><div class="block py-2 px-2 xl:px-3 no-underline cursor-pointer select-none text-gray-200 hover:text-white"><span>Languages</span><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="angle-down" class="svg-inline--fa fa-angle-down inline-block pb-0.5 ml-2 text-gray-400 text-xxs" role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path fill="currentColor" d="M201.4 374.6c12.5 12.5 32.8 12.5 45.3 0l160-160c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0L224 306.7 86.6 169.4c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3l160 160z"></path></svg><div class="absolute mt-0 pt-2.5 z-10 w-72 hidden"><div class="w-72 px-3 py-4 bg-white shadow rounded-lg text-left"><h3 class="px-2 c_h-heading c_h-heading--caps text-sm tracking-wider text-gray-600 pb-2">Supported Languages</h3><ul><li><a class="flex items-center space-x-3 px-2 py-1 no-underline rounded transition-colors group" href="/ruby"><div class="text-red-500 flex justify-center items-center h-7 w-7 border border-gray-200 bg-white shadow-sm rounded-md group-hover:shadow transition-all"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="gem" class="svg-inline--fa fa-gem fa-xs " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M116.7 33.8c4.5-6.1 11.7-9.8 19.3-9.8H376c7.6 0 14.8 3.6 19.3 9.8l112 152c6.8 9.2 6.1 21.9-1.5 30.4l-232 256c-4.5 5-11 7.9-17.8 7.9s-13.2-2.9-17.8-7.9l-232-256c-7.7-8.5-8.3-21.2-1.5-30.4l112-152zm38.5 39.8c-3.3 2.5-4.2 7-2.1 10.5l57.4 95.6L63.3 192c-4.1 .3-7.3 3.8-7.3 8s3.2 7.6 7.3 8l192 16c.4 0 .9 0 1.3 0l192-16c4.1-.3 7.3-3.8 7.3-8s-3.2-7.6-7.3-8L301.5 179.8l57.4-95.6c2.1-3.5 1.2-8.1-2.1-10.5s-7.9-2-10.7 1L256 172.2 165.9 74.6c-2.8-3-7.4-3.4-10.7-1z"></path></svg></div><span class="text-gray-700 group-hover:text-gray-800">Ruby (on Rails) APM</span></a></li><li><a class="flex items-center space-x-3 px-2 py-1 no-underline rounded transition-colors group" href="/elixir"><div class="text-purple-500 flex justify-center items-center h-7 w-7 border border-gray-200 bg-white shadow-sm rounded-md group-hover:shadow transition-all"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="droplet" class="svg-inline--fa fa-droplet fa-xs " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 384 512"><path fill="currentColor" d="M192 512C86 512 0 426 0 320C0 228.8 130.2 57.7 166.6 11.7C172.6 4.2 181.5 0 191.1 0h1.8c9.6 0 18.5 4.2 24.5 11.7C253.8 57.7 384 228.8 384 320c0 106-86 192-192 192zM96 336c0-8.8-7.2-16-16-16s-16 7.2-16 16c0 61.9 50.1 112 112 112c8.8 0 16-7.2 16-16s-7.2-16-16-16c-44.2 0-80-35.8-80-80z"></path></svg></div><span class="text-gray-700 group-hover:text-gray-800">Elixir APM</span></a></li><li><a class="flex items-center space-x-3 px-2 py-1 no-underline rounded transition-colors group" href="/nodejs"><div class="text-green-500 flex justify-center items-center h-7 w-7 border border-gray-200 bg-white shadow-sm rounded-md group-hover:shadow transition-all"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="node-js" class="svg-inline--fa fa-node-js fa-xs " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path fill="currentColor" d="M224 508c-6.7 0-13.5-1.8-19.4-5.2l-61.7-36.5c-9.2-5.2-4.7-7-1.7-8 12.3-4.3 14.8-5.2 27.9-12.7 1.4-.8 3.2-.5 4.6.4l47.4 28.1c1.7 1 4.1 1 5.7 0l184.7-106.6c1.7-1 2.8-3 2.8-5V149.3c0-2.1-1.1-4-2.9-5.1L226.8 37.7c-1.7-1-4-1-5.7 0L36.6 144.3c-1.8 1-2.9 3-2.9 5.1v213.1c0 2 1.1 4 2.9 4.9l50.6 29.2c27.5 13.7 44.3-2.4 44.3-18.7V167.5c0-3 2.4-5.3 5.4-5.3h23.4c2.9 0 5.4 2.3 5.4 5.3V378c0 36.6-20 57.6-54.7 57.6-10.7 0-19.1 0-42.5-11.6l-48.4-27.9C8.1 389.2.7 376.3.7 362.4V149.3c0-13.8 7.4-26.8 19.4-33.7L204.6 9c11.7-6.6 27.2-6.6 38.8 0l184.7 106.7c12 6.9 19.4 19.8 19.4 33.7v213.1c0 13.8-7.4 26.7-19.4 33.7L243.4 502.8c-5.9 3.4-12.6 5.2-19.4 5.2zm149.1-210.1c0-39.9-27-50.5-83.7-58-57.4-7.6-63.2-11.5-63.2-24.9 0-11.1 4.9-25.9 47.4-25.9 37.9 0 51.9 8.2 57.7 33.8.5 2.4 2.7 4.2 5.2 4.2h24c1.5 0 2.9-.6 3.9-1.7s1.5-2.6 1.4-4.1c-3.7-44.1-33-64.6-92.2-64.6-52.7 0-84.1 22.2-84.1 59.5 0 40.4 31.3 51.6 81.8 56.6 60.5 5.9 65.2 14.8 65.2 26.7 0 20.6-16.6 29.4-55.5 29.4-48.9 0-59.6-12.3-63.2-36.6-.4-2.6-2.6-4.5-5.3-4.5h-23.9c-3 0-5.3 2.4-5.3 5.3 0 31.1 16.9 68.2 97.8 68.2 58.4-.1 92-23.2 92-63.4z"></path></svg></div><span class="text-gray-700 group-hover:text-gray-800">Node.js APM</span></a></li><li><a class="flex items-center space-x-3 px-2 py-1 no-underline rounded transition-colors group" href="/javascript"><div class="text-yellow-500 flex justify-center items-center h-7 w-7 border border-gray-200 bg-white shadow-sm rounded-md group-hover:shadow transition-all"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="square-js" class="svg-inline--fa fa-square-js fa-xs " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path fill="currentColor" d="M448 96c0-35.3-28.7-64-64-64H64C28.7 32 0 60.7 0 96V416c0 35.3 28.7 64 64 64H384c35.3 0 64-28.7 64-64V96zM180.9 444.9c-33.7 0-53.2-17.4-63.2-38.5L152 385.7c6.6 11.7 12.6 21.6 27.1 21.6c13.8 0 22.6-5.4 22.6-26.5V237.7h42.1V381.4c0 43.6-25.6 63.5-62.9 63.5zm85.8-43L301 382.1c9 14.7 20.8 25.6 41.5 25.6c17.4 0 28.6-8.7 28.6-20.8c0-14.4-11.4-19.5-30.7-28l-10.5-4.5c-30.4-12.9-50.5-29.2-50.5-63.5c0-31.6 24.1-55.6 61.6-55.6c26.8 0 46 9.3 59.8 33.7L368 290c-7.2-12.9-15-18-27.1-18c-12.3 0-20.1 7.8-20.1 18c0 12.6 7.8 17.7 25.9 25.6l10.5 4.5c35.8 15.3 55.9 31 55.9 66.2c0 37.8-29.8 58.6-69.7 58.6c-39.1 0-64.4-18.6-76.7-43z"></path></svg></div><span class="text-gray-700 group-hover:text-gray-800">JavaScript Error Tracking</span></a></li><li><a class="flex items-center space-x-3 px-2 py-1 no-underline rounded transition-colors group" href="/python"><div class="text-blue-500 flex justify-center items-center h-7 w-7 border border-gray-200 bg-white shadow-sm rounded-md group-hover:shadow transition-all"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="python" class="svg-inline--fa fa-python fa-xs " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path fill="currentColor" d="M439.8 200.5c-7.7-30.9-22.3-54.2-53.4-54.2h-40.1v47.4c0 36.8-31.2 67.8-66.8 67.8H172.7c-29.2 0-53.4 25-53.4 54.3v101.8c0 29 25.2 46 53.4 54.3 33.8 9.9 66.3 11.7 106.8 0 26.9-7.8 53.4-23.5 53.4-54.3v-40.7H226.2v-13.6h160.2c31.1 0 42.6-21.7 53.4-54.2 11.2-33.5 10.7-65.7 0-108.6zM286.2 404c11.1 0 20.1 9.1 20.1 20.3 0 11.3-9 20.4-20.1 20.4-11 0-20.1-9.2-20.1-20.4.1-11.3 9.1-20.3 20.1-20.3zM167.8 248.1h106.8c29.7 0 53.4-24.5 53.4-54.3V91.9c0-29-24.4-50.7-53.4-55.6-35.8-5.9-74.7-5.6-106.8.1-45.2 8-53.4 24.7-53.4 55.6v40.7h106.9v13.6h-147c-31.1 0-58.3 18.7-66.8 54.2-9.8 40.7-10.2 66.1 0 108.6 7.6 31.6 25.7 54.2 56.8 54.2H101v-48.8c0-35.3 30.5-66.4 66.8-66.4zm-6.7-142.6c-11.1 0-20.1-9.1-20.1-20.3.1-11.3 9-20.4 20.1-20.4 11 0 20.1 9.2 20.1 20.4s-9 20.3-20.1 20.3z"></path></svg></div><span class="text-gray-700 group-hover:text-gray-800">Python APM</span></a></li></ul></div></div></div></li><li><a class="block py-2 px-2 xl:px-3 no-underline text-gray-200 hover:text-white " href="/learning-center">Learn</a></li><li><a href="https://docs.appsignal.com" class="block py-2 px-2 xl:px-3 no-underline text-gray-200 hover:text-white ">Docs</a></li><li><a href="https://blog.appsignal.com" class="block py-2 px-2 xl:px-3 no-underline text-gray-200 hover:text-white ">Blog</a></li><li><a class="block py-2 px-2 xl:px-3 no-underline text-gray-200 hover:text-white " href="/plans">Pricing</a></li></ul></div><ul class="hidden xl:flex justify-end space-x-4 dark"><li><a href="https://appsignal.com/users/sign_in" class="c-button c-button--sm text-white border-gray-700 bg-blue-800 hover:bg-gray-700">Login</a></li><li><a href="https://appsignal.com/users/sign_up" class="c-button c-button--sm c-button--green">Start free trial</a></li></ul><div class="xl:hidden dark"><a href="#menu" class="c-button c-button--sm c-button--white dark:c-button--gray"><div class="flex item-center space-x-2 pr-0.5"><div>Menu</div><div class="inline-block w-2 pt-0.25"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="bars" class="svg-inline--fa fa-bars " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path fill="currentColor" d="M0 96C0 78.3 14.3 64 32 64H416c17.7 0 32 14.3 32 32s-14.3 32-32 32H32C14.3 128 0 113.7 0 96zM0 256c0-17.7 14.3-32 32-32H416c17.7 0 32 14.3 32 32s-14.3 32-32 32H32c-17.7 0-32-14.3-32-32zM448 416c0 17.7-14.3 32-32 32H32c-17.7 0-32-14.3-32-32s14.3-32 32-32H416c17.7 0 32 14.3 32 32z"></path></svg></div></div></a></div></div><nav class="hidden border-t border-gray-700"><div class="dark c-container h-screen overflow-y-auto pt-7 pb-40"><div><h3 class="c_h-heading c_h-heading--caps text-sm text-gray-200 pb-3 mb-3 border-b border-gray-700">Monitoring features</h3><ul class="pb-8 space-y-1"><li><a class="flex items-center space-x-3 py-1 no-underline text-sm sm:text-base" href="/tour/errors"><figure class="c_h-icon-box undefined c_h-icon-box--sm undefined"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="bug" class="svg-inline--fa fa-bug " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M256 0c53 0 96 43 96 96v3.6c0 15.7-12.7 28.4-28.4 28.4H188.4c-15.7 0-28.4-12.7-28.4-28.4V96c0-53 43-96 96-96zM41.4 105.4c12.5-12.5 32.8-12.5 45.3 0l64 64c.7 .7 1.3 1.4 1.9 2.1c14.2-7.3 30.4-11.4 47.5-11.4H312c17.1 0 33.2 4.1 47.5 11.4c.6-.7 1.2-1.4 1.9-2.1l64-64c12.5-12.5 32.8-12.5 45.3 0s12.5 32.8 0 45.3l-64 64c-.7 .7-1.4 1.3-2.1 1.9c6.2 12 10.1 25.3 11.1 39.5H480c17.7 0 32 14.3 32 32s-14.3 32-32 32H416c0 24.6-5.5 47.8-15.4 68.6c2.2 1.3 4.2 2.9 6 4.8l64 64c12.5 12.5 12.5 32.8 0 45.3s-32.8 12.5-45.3 0l-63.1-63.1c-24.5 21.8-55.8 36.2-90.3 39.6V240c0-8.8-7.2-16-16-16s-16 7.2-16 16V479.2c-34.5-3.4-65.8-17.8-90.3-39.6L86.6 502.6c-12.5 12.5-32.8 12.5-45.3 0s-12.5-32.8 0-45.3l64-64c1.9-1.9 3.9-3.4 6-4.8C101.5 367.8 96 344.6 96 320H32c-17.7 0-32-14.3-32-32s14.3-32 32-32H96.3c1.1-14.1 5-27.5 11.1-39.5c-.7-.6-1.4-1.2-2.1-1.9l-64-64c-12.5-12.5-12.5-32.8 0-45.3z"></path></svg></figure><span>Error tracking</span></a></li><li><a class="flex items-center space-x-3 py-1 no-underline text-sm sm:text-base" href="/tour/performance"><figure class="c_h-icon-box undefined c_h-icon-box--sm undefined"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="rabbit-running" class="svg-inline--fa fa-rabbit-running " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 576 512"><path fill="currentColor" d="M460.7 39.3l-2.2-2.1c-4.7-4.6-11.5-6.4-17.9-4.7s-11.4 6.6-13.1 13l-.8 2.9c-3.3 11.8-5.1 23.7-5.5 35.6c24.3 20.6 42.9 47.8 53.3 78.8c-8.2-1.9-16.5-2.9-25-2.9c-.6 0-1.1 0-1.7 0c-18.4-44-56.5-77.4-103.6-89.3l-3.4-.9c-6.2-1.6-12.9-.6-18.5 2.6c-10.8 6.2-15.6 19.5-11.2 31.1c14.9 39.5 44.3 71.4 81.4 89.7c-3.7 6.6-6.4 14-7.6 21.8L279.7 154.9C248.8 137.3 213.8 128 178.2 128c-32.3 0-62.2 16.8-78.9 44.4C89 159.9 73.4 152 56 152c-30.9 0-56 25.1-56 56s25.1 56 56 56c11.3 0 21.8-3.3 30.6-9.1c4.9 17.2 14.5 33.1 28.4 45.9L257.2 431.2C269 442 284.4 448 300.4 448H416c17.7 0 32-14.3 32-32s-14.3-32-32-32H352 335.2 320V340.5c0-42.9-28.4-80.5-69.6-92.3l-30.8-8.8c-8.5-2.4-13.4-11.3-11-19.8s11.3-13.4 19.8-11l30.8 8.8c55 15.7 92.8 65.9 92.8 123.1v15.7l56-32.4 6.4-3.7H515.7c33.3 0 60.3-27 60.3-60.3c0-18.1-8.2-35.3-22.2-46.7l-34.6-28.2c-4.6-3.7-9.4-7.1-14.5-10c8.4-49.3-7.8-100-43.9-135.5zm-318.5 382c-14.7 9.8-18.7 29.7-8.9 44.4s29.7 18.7 44.4 8.9l46-30.7-48.6-44.5-32.9 22zM480 240a16 16 0 1 1 32 0 16 16 0 1 1 -32 0z"></path></svg></figure><span>Performance monitoring</span></a></li><li><a class="flex items-center space-x-3 py-1 no-underline text-sm sm:text-base" href="/tour/hosts"><figure class="c_h-icon-box undefined c_h-icon-box--sm undefined"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="server" class="svg-inline--fa fa-server " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M64 32C28.7 32 0 60.7 0 96v64c0 35.3 28.7 64 64 64H448c35.3 0 64-28.7 64-64V96c0-35.3-28.7-64-64-64H64zm280 72a24 24 0 1 1 0 48 24 24 0 1 1 0-48zm48 24a24 24 0 1 1 48 0 24 24 0 1 1 -48 0zM64 288c-35.3 0-64 28.7-64 64v64c0 35.3 28.7 64 64 64H448c35.3 0 64-28.7 64-64V352c0-35.3-28.7-64-64-64H64zm280 72a24 24 0 1 1 0 48 24 24 0 1 1 0-48zm56 24a24 24 0 1 1 48 0 24 24 0 1 1 -48 0z"></path></svg></figure><span>Host monitoring</span></a></li><li><a class="flex items-center space-x-3 py-1 no-underline text-sm sm:text-base" href="/tour/anomaly-detection"><figure class="c_h-icon-box undefined c_h-icon-box--sm undefined"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="siren-on" class="svg-inline--fa fa-siren-on " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 640 512"><path fill="currentColor" d="M69.3 36l48 32c11 7.4 14 22.3 6.7 33.3s-22.3 14-33.3 6.7l-48-32c-11-7.4-14-22.3-6.7-33.3s22.3-14 33.3-6.7zM597.3 76l-48 32c-11 7.4-25.9 4.4-33.3-6.7s-4.4-25.9 6.7-33.3l48-32c11-7.4 25.9-4.4 33.3 6.7s4.4 25.9-6.7 33.3zM24 192H88c13.3 0 24 10.7 24 24s-10.7 24-24 24H24c-13.3 0-24-10.7-24-24s10.7-24 24-24zm528 0h64c13.3 0 24 10.7 24 24s-10.7 24-24 24H552c-13.3 0-24-10.7-24-24s10.7-24 24-24zM144 352l25-199.9c4-32 31.2-56.1 63.5-56.1h175c32.3 0 59.5 24 63.5 56.1L496 352H234.1l21.8-174c1.1-8.8-5.1-16.8-13.9-17.9s-16.8 5.1-17.9 13.9L201.9 352H144zM96 416c0-17.7 14.3-32 32-32H512c17.7 0 32 14.3 32 32v32c0 17.7-14.3 32-32 32H128c-17.7 0-32-14.3-32-32V416z"></path></svg></figure><span>Anomaly detection</span></a></li><li><a class="flex items-center space-x-3 py-1 no-underline text-sm sm:text-base" href="/tour/uptime-monitoring"><figure class="c_h-icon-box undefined c_h-icon-box--sm undefined"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="traffic-light" class="svg-inline--fa fa-traffic-light " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path fill="currentColor" d="M64 0C28.7 0 0 28.7 0 64V352c0 88.4 71.6 160 160 160s160-71.6 160-160V64c0-35.3-28.7-64-64-64H64zm96 416a48 48 0 1 1 0-96 48 48 0 1 1 0 96zm48-176a48 48 0 1 1 -96 0 48 48 0 1 1 96 0zm-48-80a48 48 0 1 1 0-96 48 48 0 1 1 0 96z"></path></svg></figure><span>Uptime monitoring</span></a></li><li><a class="flex items-center space-x-3 py-1 no-underline text-sm sm:text-base" href="/tour/metrics"><figure class="c_h-icon-box undefined c_h-icon-box--sm undefined"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="gauge-high" class="svg-inline--fa fa-gauge-high " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M0 256a256 256 0 1 1 512 0A256 256 0 1 1 0 256zM288 96a32 32 0 1 0 -64 0 32 32 0 1 0 64 0zM256 416c35.3 0 64-28.7 64-64c0-17.4-6.9-33.1-18.1-44.6L366 161.7c5.3-12.1-.2-26.3-12.3-31.6s-26.3 .2-31.6 12.3L257.9 288c-.6 0-1.3 0-1.9 0c-35.3 0-64 28.7-64 64s28.7 64 64 64zM176 144a32 32 0 1 0 -64 0 32 32 0 1 0 64 0zM96 288a32 32 0 1 0 0-64 32 32 0 1 0 0 64zm352-32a32 32 0 1 0 -64 0 32 32 0 1 0 64 0z"></path></svg></figure><span>Metric dashboards</span></a></li><li><a class="flex items-center space-x-3 py-1 no-underline text-sm sm:text-base" href="/tour/workflow"><figure class="c_h-icon-box undefined c_h-icon-box--sm undefined"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="users" class="svg-inline--fa fa-users " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 640 512"><path fill="currentColor" d="M144 0a80 80 0 1 1 0 160A80 80 0 1 1 144 0zM512 0a80 80 0 1 1 0 160A80 80 0 1 1 512 0zM0 298.7C0 239.8 47.8 192 106.7 192h42.7c15.9 0 31 3.5 44.6 9.7c-1.3 7.2-1.9 14.7-1.9 22.3c0 38.2 16.8 72.5 43.3 96c-.2 0-.4 0-.7 0H21.3C9.6 320 0 310.4 0 298.7zM405.3 320c-.2 0-.4 0-.7 0c26.6-23.5 43.3-57.8 43.3-96c0-7.6-.7-15-1.9-22.3c13.6-6.3 28.7-9.7 44.6-9.7h42.7C592.2 192 640 239.8 640 298.7c0 11.8-9.6 21.3-21.3 21.3H405.3zM224 224a96 96 0 1 1 192 0 96 96 0 1 1 -192 0zM128 485.3C128 411.7 187.7 352 261.3 352H378.7C452.3 352 512 411.7 512 485.3c0 14.7-11.9 26.7-26.7 26.7H154.7c-14.7 0-26.7-11.9-26.7-26.7z"></path></svg></figure><span>Workflow</span></a></li><li><a class="flex items-center space-x-3 py-1 no-underline text-sm sm:text-base" href="/tour/log-management"><figure class="c_h-icon-box undefined c_h-icon-box--sm undefined"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="line-columns" class="svg-inline--fa fa-line-columns " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M224 64c0-17.7-14.3-32-32-32H32C14.3 32 0 46.3 0 64S14.3 96 32 96H192c17.7 0 32-14.3 32-32zm0 128c0-17.7-14.3-32-32-32H32c-17.7 0-32 14.3-32 32s14.3 32 32 32H192c17.7 0 32-14.3 32-32zM0 320c0 17.7 14.3 32 32 32H192c17.7 0 32-14.3 32-32s-14.3-32-32-32H32c-17.7 0-32 14.3-32 32zM224 448c0-17.7-14.3-32-32-32H32c-17.7 0-32 14.3-32 32s14.3 32 32 32H192c17.7 0 32-14.3 32-32zM288 64c0 17.7 14.3 32 32 32H480c17.7 0 32-14.3 32-32s-14.3-32-32-32H320c-17.7 0-32 14.3-32 32zM512 192c0-17.7-14.3-32-32-32H320c-17.7 0-32 14.3-32 32s14.3 32 32 32H480c17.7 0 32-14.3 32-32zM288 320c0 17.7 14.3 32 32 32H480c17.7 0 32-14.3 32-32s-14.3-32-32-32H320c-17.7 0-32 14.3-32 32zM512 448c0-17.7-14.3-32-32-32H320c-17.7 0-32 14.3-32 32s14.3 32 32 32H480c17.7 0 32-14.3 32-32z"></path></svg></figure><span>Log management</span></a></li><li><a class="flex items-center space-x-3 py-1 no-underline text-sm sm:text-base" href="/tour/automated-dashboards"><figure class="c_h-icon-box undefined c_h-icon-box--sm undefined"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="gauge-high" class="svg-inline--fa fa-gauge-high " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M0 256a256 256 0 1 1 512 0A256 256 0 1 1 0 256zM288 96a32 32 0 1 0 -64 0 32 32 0 1 0 64 0zM256 416c35.3 0 64-28.7 64-64c0-17.4-6.9-33.1-18.1-44.6L366 161.7c5.3-12.1-.2-26.3-12.3-31.6s-26.3 .2-31.6 12.3L257.9 288c-.6 0-1.3 0-1.9 0c-35.3 0-64 28.7-64 64s28.7 64 64 64zM176 144a32 32 0 1 0 -64 0 32 32 0 1 0 64 0zM96 288a32 32 0 1 0 0-64 32 32 0 1 0 0 64zm352-32a32 32 0 1 0 -64 0 32 32 0 1 0 64 0z"></path></svg></figure><span>Automated Dashboards</span></a></li><li><a class="flex items-center space-x-3 py-1 no-underline text-sm sm:text-base" href="/tour/check-ins"><figure class="c_h-icon-box undefined c_h-icon-box--sm undefined"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="square-check" class="svg-inline--fa fa-square-check " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path fill="currentColor" d="M64 32C28.7 32 0 60.7 0 96V416c0 35.3 28.7 64 64 64H384c35.3 0 64-28.7 64-64V96c0-35.3-28.7-64-64-64H64zM337 209L209 337c-9.4 9.4-24.6 9.4-33.9 0l-64-64c-9.4-9.4-9.4-24.6 0-33.9s24.6-9.4 33.9 0l47 47L303 175c9.4-9.4 24.6-9.4 33.9 0s9.4 24.6 0 33.9z"></path></svg></figure><span>Check-ins</span></a></li><li><a class="flex items-center space-x-3 py-1 no-underline text-sm sm:text-base" href="/tour/time-detective"><figure class="c_h-icon-box undefined c_h-icon-box--sm undefined"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="user-secret" class="svg-inline--fa fa-user-secret " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path fill="currentColor" d="M224 16c-6.7 0-10.8-2.8-15.5-6.1C201.9 5.4 194 0 176 0c-30.5 0-52 43.7-66 89.4C62.7 98.1 32 112.2 32 128c0 14.3 25 27.1 64.6 35.9c-.4 4-.6 8-.6 12.1c0 17 3.3 33.2 9.3 48H45.4C38 224 32 230 32 237.4c0 1.7 .3 3.4 1 5l38.8 96.9C28.2 371.8 0 423.8 0 482.3C0 498.7 13.3 512 29.7 512H418.3c16.4 0 29.7-13.3 29.7-29.7c0-58.5-28.2-110.4-71.7-143L415 242.4c.6-1.6 1-3.3 1-5c0-7.4-6-13.4-13.4-13.4H342.7c6-14.8 9.3-31 9.3-48c0-4.1-.2-8.1-.6-12.1C391 155.1 416 142.3 416 128c0-15.8-30.7-29.9-78-38.6C324 43.7 302.5 0 272 0c-18 0-25.9 5.4-32.5 9.9c-4.8 3.3-8.8 6.1-15.5 6.1zm56 208H267.6c-16.5 0-31.1-10.6-36.3-26.2c-2.3-7-12.2-7-14.5 0c-5.2 15.6-19.9 26.2-36.3 26.2H168c-22.1 0-40-17.9-40-40V169.6c28.2 4.1 61 6.4 96 6.4s67.8-2.3 96-6.4V184c0 22.1-17.9 40-40 40zm-88 96l16 32L176 480 128 288l64 32zm128-32L272 480 240 352l16-32 64-32z"></path></svg></figure><span>Time Detective</span></a></li></ul></div><div><h3 class="c_h-heading c_h-heading--caps text-sm text-gray-200 pb-3 mb-3 border-b border-gray-700">Supported Languages</h3><ul class="pb-8 space-y-1"><li><a class="flex items-center space-x-3 py-1 no-underline text-sm sm:text-base" href="/ruby"><figure class="c_h-icon-box undefined c_h-icon-box--sm undefined"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="gem" class="svg-inline--fa fa-gem " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M116.7 33.8c4.5-6.1 11.7-9.8 19.3-9.8H376c7.6 0 14.8 3.6 19.3 9.8l112 152c6.8 9.2 6.1 21.9-1.5 30.4l-232 256c-4.5 5-11 7.9-17.8 7.9s-13.2-2.9-17.8-7.9l-232-256c-7.7-8.5-8.3-21.2-1.5-30.4l112-152zm38.5 39.8c-3.3 2.5-4.2 7-2.1 10.5l57.4 95.6L63.3 192c-4.1 .3-7.3 3.8-7.3 8s3.2 7.6 7.3 8l192 16c.4 0 .9 0 1.3 0l192-16c4.1-.3 7.3-3.8 7.3-8s-3.2-7.6-7.3-8L301.5 179.8l57.4-95.6c2.1-3.5 1.2-8.1-2.1-10.5s-7.9-2-10.7 1L256 172.2 165.9 74.6c-2.8-3-7.4-3.4-10.7-1z"></path></svg></figure><span>Ruby (on Rails) APM</span></a></li><li><a class="flex items-center space-x-3 py-1 no-underline text-sm sm:text-base" href="/elixir"><figure class="c_h-icon-box undefined c_h-icon-box--sm undefined"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="droplet" class="svg-inline--fa fa-droplet " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 384 512"><path fill="currentColor" d="M192 512C86 512 0 426 0 320C0 228.8 130.2 57.7 166.6 11.7C172.6 4.2 181.5 0 191.1 0h1.8c9.6 0 18.5 4.2 24.5 11.7C253.8 57.7 384 228.8 384 320c0 106-86 192-192 192zM96 336c0-8.8-7.2-16-16-16s-16 7.2-16 16c0 61.9 50.1 112 112 112c8.8 0 16-7.2 16-16s-7.2-16-16-16c-44.2 0-80-35.8-80-80z"></path></svg></figure><span>Elixir APM</span></a></li><li><a class="flex items-center space-x-3 py-1 no-underline text-sm sm:text-base" href="/nodejs"><figure class="c_h-icon-box undefined c_h-icon-box--sm undefined"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="node-js" class="svg-inline--fa fa-node-js " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path fill="currentColor" d="M224 508c-6.7 0-13.5-1.8-19.4-5.2l-61.7-36.5c-9.2-5.2-4.7-7-1.7-8 12.3-4.3 14.8-5.2 27.9-12.7 1.4-.8 3.2-.5 4.6.4l47.4 28.1c1.7 1 4.1 1 5.7 0l184.7-106.6c1.7-1 2.8-3 2.8-5V149.3c0-2.1-1.1-4-2.9-5.1L226.8 37.7c-1.7-1-4-1-5.7 0L36.6 144.3c-1.8 1-2.9 3-2.9 5.1v213.1c0 2 1.1 4 2.9 4.9l50.6 29.2c27.5 13.7 44.3-2.4 44.3-18.7V167.5c0-3 2.4-5.3 5.4-5.3h23.4c2.9 0 5.4 2.3 5.4 5.3V378c0 36.6-20 57.6-54.7 57.6-10.7 0-19.1 0-42.5-11.6l-48.4-27.9C8.1 389.2.7 376.3.7 362.4V149.3c0-13.8 7.4-26.8 19.4-33.7L204.6 9c11.7-6.6 27.2-6.6 38.8 0l184.7 106.7c12 6.9 19.4 19.8 19.4 33.7v213.1c0 13.8-7.4 26.7-19.4 33.7L243.4 502.8c-5.9 3.4-12.6 5.2-19.4 5.2zm149.1-210.1c0-39.9-27-50.5-83.7-58-57.4-7.6-63.2-11.5-63.2-24.9 0-11.1 4.9-25.9 47.4-25.9 37.9 0 51.9 8.2 57.7 33.8.5 2.4 2.7 4.2 5.2 4.2h24c1.5 0 2.9-.6 3.9-1.7s1.5-2.6 1.4-4.1c-3.7-44.1-33-64.6-92.2-64.6-52.7 0-84.1 22.2-84.1 59.5 0 40.4 31.3 51.6 81.8 56.6 60.5 5.9 65.2 14.8 65.2 26.7 0 20.6-16.6 29.4-55.5 29.4-48.9 0-59.6-12.3-63.2-36.6-.4-2.6-2.6-4.5-5.3-4.5h-23.9c-3 0-5.3 2.4-5.3 5.3 0 31.1 16.9 68.2 97.8 68.2 58.4-.1 92-23.2 92-63.4z"></path></svg></figure><span>Node.js APM</span></a></li><li><a class="flex items-center space-x-3 py-1 no-underline text-sm sm:text-base" href="/javascript"><figure class="c_h-icon-box undefined c_h-icon-box--sm undefined"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="square-js" class="svg-inline--fa fa-square-js " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path fill="currentColor" d="M448 96c0-35.3-28.7-64-64-64H64C28.7 32 0 60.7 0 96V416c0 35.3 28.7 64 64 64H384c35.3 0 64-28.7 64-64V96zM180.9 444.9c-33.7 0-53.2-17.4-63.2-38.5L152 385.7c6.6 11.7 12.6 21.6 27.1 21.6c13.8 0 22.6-5.4 22.6-26.5V237.7h42.1V381.4c0 43.6-25.6 63.5-62.9 63.5zm85.8-43L301 382.1c9 14.7 20.8 25.6 41.5 25.6c17.4 0 28.6-8.7 28.6-20.8c0-14.4-11.4-19.5-30.7-28l-10.5-4.5c-30.4-12.9-50.5-29.2-50.5-63.5c0-31.6 24.1-55.6 61.6-55.6c26.8 0 46 9.3 59.8 33.7L368 290c-7.2-12.9-15-18-27.1-18c-12.3 0-20.1 7.8-20.1 18c0 12.6 7.8 17.7 25.9 25.6l10.5 4.5c35.8 15.3 55.9 31 55.9 66.2c0 37.8-29.8 58.6-69.7 58.6c-39.1 0-64.4-18.6-76.7-43z"></path></svg></figure><span>JavaScript Error Tracking</span></a></li><li><a class="flex items-center space-x-3 py-1 no-underline text-sm sm:text-base" href="/python"><figure class="c_h-icon-box undefined c_h-icon-box--sm undefined"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="python" class="svg-inline--fa fa-python " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path fill="currentColor" d="M439.8 200.5c-7.7-30.9-22.3-54.2-53.4-54.2h-40.1v47.4c0 36.8-31.2 67.8-66.8 67.8H172.7c-29.2 0-53.4 25-53.4 54.3v101.8c0 29 25.2 46 53.4 54.3 33.8 9.9 66.3 11.7 106.8 0 26.9-7.8 53.4-23.5 53.4-54.3v-40.7H226.2v-13.6h160.2c31.1 0 42.6-21.7 53.4-54.2 11.2-33.5 10.7-65.7 0-108.6zM286.2 404c11.1 0 20.1 9.1 20.1 20.3 0 11.3-9 20.4-20.1 20.4-11 0-20.1-9.2-20.1-20.4.1-11.3 9.1-20.3 20.1-20.3zM167.8 248.1h106.8c29.7 0 53.4-24.5 53.4-54.3V91.9c0-29-24.4-50.7-53.4-55.6-35.8-5.9-74.7-5.6-106.8.1-45.2 8-53.4 24.7-53.4 55.6v40.7h106.9v13.6h-147c-31.1 0-58.3 18.7-66.8 54.2-9.8 40.7-10.2 66.1 0 108.6 7.6 31.6 25.7 54.2 56.8 54.2H101v-48.8c0-35.3 30.5-66.4 66.8-66.4zm-6.7-142.6c-11.1 0-20.1-9.1-20.1-20.3.1-11.3 9-20.4 20.1-20.4 11 0 20.1 9.2 20.1 20.4s-9 20.3-20.1 20.3z"></path></svg></figure><span>Python APM</span></a></li></ul></div><div></div><div></div><div></div><div></div><div><ul><li><a class="flex items-center space-x-3 py-1 no-underline text-sm sm:text-base" href="/learning-center"><figure class="c_h-icon-box undefined c_h-icon-box--sm undefined"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="book-open" class="svg-inline--fa fa-book-open " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 576 512"><path fill="currentColor" d="M249.6 471.5c10.8 3.8 22.4-4.1 22.4-15.5V78.6c0-4.2-1.6-8.4-5-11C247.4 52 202.4 32 144 32C93.5 32 46.3 45.3 18.1 56.1C6.8 60.5 0 71.7 0 83.8V454.1c0 11.9 12.8 20.2 24.1 16.5C55.6 460.1 105.5 448 144 448c33.9 0 79 14 105.6 23.5zm76.8 0C353 462 398.1 448 432 448c38.5 0 88.4 12.1 119.9 22.6c11.3 3.8 24.1-4.6 24.1-16.5V83.8c0-12.1-6.8-23.3-18.1-27.6C529.7 45.3 482.5 32 432 32c-58.4 0-103.4 20-123 35.6c-3.3 2.6-5 6.8-5 11V456c0 11.4 11.7 19.3 22.4 15.5z"></path></svg></figure><span>Learn</span></a></li><li><a href="https://docs.appsignal.com" class="flex items-center space-x-3 py-1 no-underline text-sm sm:text-base"><figure class="c_h-icon-box undefined c_h-icon-box--sm undefined"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="book" class="svg-inline--fa fa-book " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path fill="currentColor" d="M96 0C43 0 0 43 0 96V416c0 53 43 96 96 96H384h32c17.7 0 32-14.3 32-32s-14.3-32-32-32V384c17.7 0 32-14.3 32-32V32c0-17.7-14.3-32-32-32H384 96zm0 384H352v64H96c-17.7 0-32-14.3-32-32s14.3-32 32-32zm32-240c0-8.8 7.2-16 16-16H336c8.8 0 16 7.2 16 16s-7.2 16-16 16H144c-8.8 0-16-7.2-16-16zm16 48H336c8.8 0 16 7.2 16 16s-7.2 16-16 16H144c-8.8 0-16-7.2-16-16s7.2-16 16-16z"></path></svg></figure><span>Docs</span></a></li><li><a href="https://blog.appsignal.com" class="flex items-center space-x-3 py-1 no-underline text-sm sm:text-base"><figure class="c_h-icon-box undefined c_h-icon-box--sm undefined"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="rss" class="svg-inline--fa fa-rss " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path fill="currentColor" d="M0 64C0 46.3 14.3 32 32 32c229.8 0 416 186.2 416 416c0 17.7-14.3 32-32 32s-32-14.3-32-32C384 253.6 226.4 96 32 96C14.3 96 0 81.7 0 64zM0 416a64 64 0 1 1 128 0A64 64 0 1 1 0 416zM32 160c159.1 0 288 128.9 288 288c0 17.7-14.3 32-32 32s-32-14.3-32-32c0-123.7-100.3-224-224-224c-17.7 0-32-14.3-32-32s14.3-32 32-32z"></path></svg></figure><span>Blog</span></a></li><li><a class="flex items-center space-x-3 py-1 no-underline text-sm sm:text-base" 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border-b border-gray-200"><div class="sm:order-2 w-[88px] sm:w-[167px] h-[88px] sm:h-fit p-2.5 sm:p-6 mb-4 border border-gray-200 shadow rounded sm:rounded-lg"><div class="relative flex w-[68px] sm:w-[119px] h-[68px] sm:h-fit"><img alt="Logo for Preact monitoring" width="119" height="119" decoding="async" data-nimg="1" class="m-auto w-fit sm:w-[119px] max-h-[68px] sm:max-h-full" style="color:transparent" sizes="119px" srcSet="/_next/image?url=%2Fassets%2Fpages%2Fjavascript%2Fpreact.png&amp;w=16&amp;q=100 16w, /_next/image?url=%2Fassets%2Fpages%2Fjavascript%2Fpreact.png&amp;w=32&amp;q=100 32w, /_next/image?url=%2Fassets%2Fpages%2Fjavascript%2Fpreact.png&amp;w=48&amp;q=100 48w, /_next/image?url=%2Fassets%2Fpages%2Fjavascript%2Fpreact.png&amp;w=64&amp;q=100 64w, /_next/image?url=%2Fassets%2Fpages%2Fjavascript%2Fpreact.png&amp;w=96&amp;q=100 96w, /_next/image?url=%2Fassets%2Fpages%2Fjavascript%2Fpreact.png&amp;w=128&amp;q=100 128w, 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class="sm:order-1"><h1>Preact monitoring</h1><p class="text-lg md:text-xl leading-normal mb-4">Proactively monitor and enhance your Preact front-end apps with AppSignal&#x27;s Error Tracking. Gain the deep contextual insights you need to resolve high-impact issues with ease.</p><div class="sm:c-button-group"><a href="https://appsignal.com/users/sign_up" class="c-button c-button--md c-button--azure mr-2 mb-2"><span>Start Preact monitoring</span><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="arrow-right" class="svg-inline--fa fa-arrow-right fa-sm " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path fill="currentColor" d="M438.6 278.6c12.5-12.5 12.5-32.8 0-45.3l-160-160c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3L338.8 224 32 224c-17.7 0-32 14.3-32 32s14.3 32 32 32l306.7 0L233.4 393.4c-12.5 12.5-12.5 32.8 0 45.3s32.8 12.5 45.3 0l160-160z"></path></svg></a><a href="https://docs.appsignal.com/front-end/integrations/preact.html" class="c-button c-button--md c-button--white mb-2">Read our <!-- -->Preact<!-- --> docs<svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="arrow-right" class="svg-inline--fa fa-arrow-right fa-sm " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path fill="currentColor" d="M438.6 278.6c12.5-12.5 12.5-32.8 0-45.3l-160-160c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3L338.8 224 32 224c-17.7 0-32 14.3-32 32s14.3 32 32 32l306.7 0L233.4 393.4c-12.5 12.5-12.5 32.8 0 45.3s32.8 12.5 45.3 0l160-160z"></path></svg></a></div></div></header><div class="pt-4 sm:pt-8 pb-8 sm:pb-16"><section class="c-container lg:px-8 lg:m-0 md:prose-p:text-lg prose-h3:mt-0 prose-p:mb-1 prose-a:mt-0"><h2 class="mb-6 sm:mb-10">Exceptional Error Tracking</h2><div class="space-y-8 sm:space-y-12"><div class="flex flex-col sm:flex-row gap-2 sm:gap-6"><div class="order-2 sm:order-1 sm:w-1/2"><h3 class="c_h-heading c_h-heading--lg text-gray-800 mb-1">Error insights</h3><p>Squash bugs before they bite with AppSignal Error Tracking. Navigate error messages, critical request information, and cross-deployment occurrences from a simple overview.</p></div><div class="order-1 sm:order-2 sm:w-1/2 relative not-prose mt-0"><figure class="mx-auto"><div data-rmiz-wrap="visible" style="display:block"><img alt="Preact exception in AppSignal." loading="lazy" width="1314" height="460" decoding="async" data-nimg="1" style="color:transparent" sizes="(min-width: 768px) 552px, 100vw" srcSet="/_next/image?url=%2Fassets%2Fpages%2Fjavascript%2Fframework-pages%2Ferror-summary.png&amp;w=640&amp;q=75 640w, /_next/image?url=%2Fassets%2Fpages%2Fjavascript%2Fframework-pages%2Ferror-summary.png&amp;w=750&amp;q=75 750w, /_next/image?url=%2Fassets%2Fpages%2Fjavascript%2Fframework-pages%2Ferror-summary.png&amp;w=828&amp;q=75 828w, /_next/image?url=%2Fassets%2Fpages%2Fjavascript%2Fframework-pages%2Ferror-summary.png&amp;w=1080&amp;q=75 1080w, /_next/image?url=%2Fassets%2Fpages%2Fjavascript%2Fframework-pages%2Ferror-summary.png&amp;w=1200&amp;q=75 1200w, /_next/image?url=%2Fassets%2Fpages%2Fjavascript%2Fframework-pages%2Ferror-summary.png&amp;w=1920&amp;q=75 1920w, /_next/image?url=%2Fassets%2Fpages%2Fjavascript%2Fframework-pages%2Ferror-summary.png&amp;w=2048&amp;q=75 2048w, /_next/image?url=%2Fassets%2Fpages%2Fjavascript%2Fframework-pages%2Ferror-summary.png&amp;w=2640&amp;q=75 2640w" src="/_next/image?url=%2Fassets%2Fpages%2Fjavascript%2Fframework-pages%2Ferror-summary.png&amp;w=2640&amp;q=75"/><button aria-label="Zoom image" data-rmiz-btn-open="true"></button></div></figure></div></div><div class="flex flex-col sm:flex-row gap-2 sm:gap-6"><div class="order-2 sm:order-1 sm:w-1/2"><h3 class="c_h-heading c_h-heading--lg text-gray-800 mb-1">Gain context with Breadcrumbs</h3><p>Develop scalable solutions with AppSignal Breadcrumbs. Use insights from Breadcrumbs to minimize reproduction times and understand the exact cause of errors.</p></div><div class="order-1 sm:order-2 sm:w-1/2 relative not-prose mt-0"><figure class="mx-auto"><div data-rmiz-wrap="visible" style="display:block"><img alt="Breadcrumbs showing error context in AppSignal." loading="lazy" width="1314" height="460" decoding="async" data-nimg="1" style="color:transparent" sizes="(min-width: 768px) 552px, 100vw" srcSet="/_next/image?url=%2Fassets%2Fpages%2Fjavascript%2Fframework-pages%2Fbreadcrumbs.png&amp;w=640&amp;q=75 640w, /_next/image?url=%2Fassets%2Fpages%2Fjavascript%2Fframework-pages%2Fbreadcrumbs.png&amp;w=750&amp;q=75 750w, /_next/image?url=%2Fassets%2Fpages%2Fjavascript%2Fframework-pages%2Fbreadcrumbs.png&amp;w=828&amp;q=75 828w, /_next/image?url=%2Fassets%2Fpages%2Fjavascript%2Fframework-pages%2Fbreadcrumbs.png&amp;w=1080&amp;q=75 1080w, /_next/image?url=%2Fassets%2Fpages%2Fjavascript%2Fframework-pages%2Fbreadcrumbs.png&amp;w=1200&amp;q=75 1200w, /_next/image?url=%2Fassets%2Fpages%2Fjavascript%2Fframework-pages%2Fbreadcrumbs.png&amp;w=1920&amp;q=75 1920w, /_next/image?url=%2Fassets%2Fpages%2Fjavascript%2Fframework-pages%2Fbreadcrumbs.png&amp;w=2048&amp;q=75 2048w, /_next/image?url=%2Fassets%2Fpages%2Fjavascript%2Fframework-pages%2Fbreadcrumbs.png&amp;w=2640&amp;q=75 2640w" src="/_next/image?url=%2Fassets%2Fpages%2Fjavascript%2Fframework-pages%2Fbreadcrumbs.png&amp;w=2640&amp;q=75"/><button aria-label="Zoom image" data-rmiz-btn-open="true"></button></div></figure></div></div><div class="flex flex-col sm:flex-row gap-2 sm:gap-6"><div class="order-2 sm:order-1 sm:w-1/2"><h3 class="c_h-heading c_h-heading--lg text-gray-800 mb-1">Alerts where they matter</h3><p>Never miss an error with AppSignal. Utilize AppSignal&#x27;s popular integrations with platforms like Discord and Slack to ensure alerts are delivered where and when they matter.</p></div><div class="order-1 sm:order-2 sm:w-1/2 relative not-prose mt-0"><figure class="mx-auto"><div data-rmiz-wrap="visible" style="display:block"><img alt="Alert in AppSignal" loading="lazy" width="1314" height="460" decoding="async" data-nimg="1" style="color:transparent" sizes="(min-width: 768px) 552px, 100vw" srcSet="/_next/image?url=%2Fassets%2Fpages%2Fjavascript%2Fframework-pages%2Fintegrations.png&amp;w=640&amp;q=75 640w, /_next/image?url=%2Fassets%2Fpages%2Fjavascript%2Fframework-pages%2Fintegrations.png&amp;w=750&amp;q=75 750w, /_next/image?url=%2Fassets%2Fpages%2Fjavascript%2Fframework-pages%2Fintegrations.png&amp;w=828&amp;q=75 828w, /_next/image?url=%2Fassets%2Fpages%2Fjavascript%2Fframework-pages%2Fintegrations.png&amp;w=1080&amp;q=75 1080w, /_next/image?url=%2Fassets%2Fpages%2Fjavascript%2Fframework-pages%2Fintegrations.png&amp;w=1200&amp;q=75 1200w, /_next/image?url=%2Fassets%2Fpages%2Fjavascript%2Fframework-pages%2Fintegrations.png&amp;w=1920&amp;q=75 1920w, /_next/image?url=%2Fassets%2Fpages%2Fjavascript%2Fframework-pages%2Fintegrations.png&amp;w=2048&amp;q=75 2048w, /_next/image?url=%2Fassets%2Fpages%2Fjavascript%2Fframework-pages%2Fintegrations.png&amp;w=2640&amp;q=75 2640w" src="/_next/image?url=%2Fassets%2Fpages%2Fjavascript%2Fframework-pages%2Fintegrations.png&amp;w=2640&amp;q=75"/><button aria-label="Zoom image" data-rmiz-btn-open="true"></button></div></figure></div></div></div></section><section class="c-container lg:px-8 lg:m-0 md:prose-p:text-lg"><h2 id="why-monitor-preact">Why monitor Preact?</h2> <p>AppSignal&#x27;s front-end JavaScript Error Tracking offers valuable insights into errors with all the tools you need to monitor your Preact app proactively and confidently. Receive alerts, follow Breadcrumbs, inspect request details, and more from a single, simple overview.</p> <p>AppSignal offers seamless full-stack monitoring for stacks of all shapes and sizes. With features like Error Tracking, Performance Monitoring, and Logging, AppSignal has everything you need to optimize your front-end, back-end, and more.</p></section><section class="c-container lg:px-8 lg:m-0 md:prose-p:text-lg"><h2>AppSignal <!-- -->Preact<!-- --> monitoring helps you</h2><div class="not-prose space-y-2"><div class="flex space-x-2"><figure class="c_h-icon-box c_h-icon-box--green c_h-icon-box--sm shrink-0 mt-1"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="check" class="svg-inline--fa fa-check " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path fill="currentColor" d="M438.6 105.4c12.5 12.5 12.5 32.8 0 45.3l-256 256c-12.5 12.5-32.8 12.5-45.3 0l-128-128c-12.5-12.5-12.5-32.8 0-45.3s32.8-12.5 45.3 0L160 338.7 393.4 105.4c12.5-12.5 32.8-12.5 45.3 0z"></path></svg></figure><div class="text-lg text-gray-700">Gain cross-deploy insights into errors.</div></div><div class="flex space-x-2"><figure class="c_h-icon-box c_h-icon-box--green c_h-icon-box--sm shrink-0 mt-1"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="check" class="svg-inline--fa fa-check " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path fill="currentColor" d="M438.6 105.4c12.5 12.5 12.5 32.8 0 45.3l-256 256c-12.5 12.5-32.8 12.5-45.3 0l-128-128c-12.5-12.5-12.5-32.8 0-45.3s32.8-12.5 45.3 0L160 338.7 393.4 105.4c12.5-12.5 32.8-12.5 45.3 0z"></path></svg></figure><div class="text-lg text-gray-700">Add tags to Preact errors for easy filtering.</div></div><div class="flex space-x-2"><figure class="c_h-icon-box c_h-icon-box--green c_h-icon-box--sm shrink-0 mt-1"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="check" class="svg-inline--fa fa-check " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path fill="currentColor" d="M438.6 105.4c12.5 12.5 12.5 32.8 0 45.3l-256 256c-12.5 12.5-32.8 12.5-45.3 0l-128-128c-12.5-12.5-12.5-32.8 0-45.3s32.8-12.5 45.3 0L160 338.7 393.4 105.4c12.5-12.5 32.8-12.5 45.3 0z"></path></svg></figure><div class="text-lg text-gray-700">Easily inspect detailed request information.</div></div><div class="flex space-x-2"><figure class="c_h-icon-box c_h-icon-box--green c_h-icon-box--sm shrink-0 mt-1"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="check" class="svg-inline--fa fa-check " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path fill="currentColor" d="M438.6 105.4c12.5 12.5 12.5 32.8 0 45.3l-256 256c-12.5 12.5-32.8 12.5-45.3 0l-128-128c-12.5-12.5-12.5-32.8 0-45.3s32.8-12.5 45.3 0L160 338.7 393.4 105.4c12.5-12.5 32.8-12.5 45.3 0z"></path></svg></figure><div class="text-lg text-gray-700">Understand how an error occurred with Breadcrumbs.</div></div></div></section></div><section class="c-container lg:px-8 lg:m-0 md:prose-p:text-lg border-t border-gray-200 sm:pt-6"><h2>Start monitoring your Preact application today</h2><p class="pb-2">Ready for deep insights into your Preact errors? Get started by signing up, installing AppSignal, and exploring our front-end JavaScript documentation for more detailed setup instructions.</p><div class="sm:c-button-group"><a href="https://appsignal.com/users/sign_up" class="c-button c-button--md c-button--azure mr-2 mb-2"><span>Install AppSignal</span><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="arrow-right" class="svg-inline--fa fa-arrow-right fa-sm " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path fill="currentColor" d="M438.6 278.6c12.5-12.5 12.5-32.8 0-45.3l-160-160c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3L338.8 224 32 224c-17.7 0-32 14.3-32 32s14.3 32 32 32l306.7 0L233.4 393.4c-12.5 12.5-12.5 32.8 0 45.3s32.8 12.5 45.3 0l160-160z"></path></svg></a><a href="https://appsignal.com/plans" class="c-button c-button--md c-button--white mb-2"><span>View our pricing</span><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="arrow-right" class="svg-inline--fa fa-arrow-right fa-sm " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path fill="currentColor" d="M438.6 278.6c12.5-12.5 12.5-32.8 0-45.3l-160-160c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3L338.8 224 32 224c-17.7 0-32 14.3-32 32s14.3 32 32 32l306.7 0L233.4 393.4c-12.5 12.5-12.5 32.8 0 45.3s32.8 12.5 45.3 0l160-160z"></path></svg></a></div></section></article></div></div><section class="relative py-12 md:py-16 bg-gray-800 dark"><div class="relative c-container space-y-5 text-center text-white"><div class="relative self-center space-y-4 mx-auto max-w-xl"><h1 class="c_h-heading c_h-heading--caps font-normal tracking-widest c_h-text--lg-fluid text-gray-300">Start your free trial</h1><h2 class="c_h-heading dark:text-white c_h-heading--5xl-fluid text-balance">Don鈥檛 let the bad bugs bite. Try AppSignal for free.</h2><p class="undefined text-gray-700 dark:text-white dark:opacity-80 c_h-text--xl-fluid">AppSignal offers a 30-day free trial, no credit card is required. All features are available in all plans. Start monitoring your application in just a few clicks!</p></div><div class="flex gap-x-4 gap-y-2 flex-wrap justify-center"><a class="c-button c-button--base" href="https://appsignal.com/users/sign_up">Start free trial</a><a class="c-button c-button--base c-button--gray" href="/plans">View pricing</a></div></div></section><!--$--><footer class="relative px-4 py-16 sm:pt-20 xl:pb-28 dark text-gray-300 bg-gray-900"><div class="c-container"><div class="grid grid-cols-1 sm:grid-cols-2 xl:grid-cols-4 gap-x-12 gap-y-10"><div class="col-span-1"><h2 class="text-white uppercase tracking-wider font-medium border-b border-gray-700 pb-3 mb-4">Features</h2><ul class="space-y-2"><li><div class="flex items-center space-x-3"><span class="h-4 w-4 flex justify-center items-center"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="bug" class="svg-inline--fa fa-bug " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M256 0c53 0 96 43 96 96v3.6c0 15.7-12.7 28.4-28.4 28.4H188.4c-15.7 0-28.4-12.7-28.4-28.4V96c0-53 43-96 96-96zM41.4 105.4c12.5-12.5 32.8-12.5 45.3 0l64 64c.7 .7 1.3 1.4 1.9 2.1c14.2-7.3 30.4-11.4 47.5-11.4H312c17.1 0 33.2 4.1 47.5 11.4c.6-.7 1.2-1.4 1.9-2.1l64-64c12.5-12.5 32.8-12.5 45.3 0s12.5 32.8 0 45.3l-64 64c-.7 .7-1.4 1.3-2.1 1.9c6.2 12 10.1 25.3 11.1 39.5H480c17.7 0 32 14.3 32 32s-14.3 32-32 32H416c0 24.6-5.5 47.8-15.4 68.6c2.2 1.3 4.2 2.9 6 4.8l64 64c12.5 12.5 12.5 32.8 0 45.3s-32.8 12.5-45.3 0l-63.1-63.1c-24.5 21.8-55.8 36.2-90.3 39.6V240c0-8.8-7.2-16-16-16s-16 7.2-16 16V479.2c-34.5-3.4-65.8-17.8-90.3-39.6L86.6 502.6c-12.5 12.5-32.8 12.5-45.3 0s-12.5-32.8 0-45.3l64-64c1.9-1.9 3.9-3.4 6-4.8C101.5 367.8 96 344.6 96 320H32c-17.7 0-32-14.3-32-32s14.3-32 32-32H96.3c1.1-14.1 5-27.5 11.1-39.5c-.7-.6-1.4-1.2-2.1-1.9l-64-64c-12.5-12.5-12.5-32.8 0-45.3z"></path></svg></span><div><a class="no-underline text-white undefined sm:text-lg hover:underline" href="/tour/errors">Error tracking</a></div></div></li><li><div class="flex items-center space-x-3"><span class="h-4 w-4 flex justify-center items-center"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="rabbit-running" class="svg-inline--fa fa-rabbit-running " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 576 512"><path fill="currentColor" d="M460.7 39.3l-2.2-2.1c-4.7-4.6-11.5-6.4-17.9-4.7s-11.4 6.6-13.1 13l-.8 2.9c-3.3 11.8-5.1 23.7-5.5 35.6c24.3 20.6 42.9 47.8 53.3 78.8c-8.2-1.9-16.5-2.9-25-2.9c-.6 0-1.1 0-1.7 0c-18.4-44-56.5-77.4-103.6-89.3l-3.4-.9c-6.2-1.6-12.9-.6-18.5 2.6c-10.8 6.2-15.6 19.5-11.2 31.1c14.9 39.5 44.3 71.4 81.4 89.7c-3.7 6.6-6.4 14-7.6 21.8L279.7 154.9C248.8 137.3 213.8 128 178.2 128c-32.3 0-62.2 16.8-78.9 44.4C89 159.9 73.4 152 56 152c-30.9 0-56 25.1-56 56s25.1 56 56 56c11.3 0 21.8-3.3 30.6-9.1c4.9 17.2 14.5 33.1 28.4 45.9L257.2 431.2C269 442 284.4 448 300.4 448H416c17.7 0 32-14.3 32-32s-14.3-32-32-32H352 335.2 320V340.5c0-42.9-28.4-80.5-69.6-92.3l-30.8-8.8c-8.5-2.4-13.4-11.3-11-19.8s11.3-13.4 19.8-11l30.8 8.8c55 15.7 92.8 65.9 92.8 123.1v15.7l56-32.4 6.4-3.7H515.7c33.3 0 60.3-27 60.3-60.3c0-18.1-8.2-35.3-22.2-46.7l-34.6-28.2c-4.6-3.7-9.4-7.1-14.5-10c8.4-49.3-7.8-100-43.9-135.5zm-318.5 382c-14.7 9.8-18.7 29.7-8.9 44.4s29.7 18.7 44.4 8.9l46-30.7-48.6-44.5-32.9 22zM480 240a16 16 0 1 1 32 0 16 16 0 1 1 -32 0z"></path></svg></span><div><a class="no-underline text-white undefined sm:text-lg hover:underline" href="/tour/performance">Performance monitoring</a></div></div></li><li><div class="flex items-center space-x-3"><span class="h-4 w-4 flex justify-center items-center"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="server" class="svg-inline--fa fa-server " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M64 32C28.7 32 0 60.7 0 96v64c0 35.3 28.7 64 64 64H448c35.3 0 64-28.7 64-64V96c0-35.3-28.7-64-64-64H64zm280 72a24 24 0 1 1 0 48 24 24 0 1 1 0-48zm48 24a24 24 0 1 1 48 0 24 24 0 1 1 -48 0zM64 288c-35.3 0-64 28.7-64 64v64c0 35.3 28.7 64 64 64H448c35.3 0 64-28.7 64-64V352c0-35.3-28.7-64-64-64H64zm280 72a24 24 0 1 1 0 48 24 24 0 1 1 0-48zm56 24a24 24 0 1 1 48 0 24 24 0 1 1 -48 0z"></path></svg></span><div><a class="no-underline text-white undefined sm:text-lg hover:underline" href="/tour/hosts">Host monitoring</a></div></div></li><li><div class="flex items-center space-x-3"><span class="h-4 w-4 flex justify-center items-center"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="siren-on" class="svg-inline--fa fa-siren-on " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 640 512"><path fill="currentColor" d="M69.3 36l48 32c11 7.4 14 22.3 6.7 33.3s-22.3 14-33.3 6.7l-48-32c-11-7.4-14-22.3-6.7-33.3s22.3-14 33.3-6.7zM597.3 76l-48 32c-11 7.4-25.9 4.4-33.3-6.7s-4.4-25.9 6.7-33.3l48-32c11-7.4 25.9-4.4 33.3 6.7s4.4 25.9-6.7 33.3zM24 192H88c13.3 0 24 10.7 24 24s-10.7 24-24 24H24c-13.3 0-24-10.7-24-24s10.7-24 24-24zm528 0h64c13.3 0 24 10.7 24 24s-10.7 24-24 24H552c-13.3 0-24-10.7-24-24s10.7-24 24-24zM144 352l25-199.9c4-32 31.2-56.1 63.5-56.1h175c32.3 0 59.5 24 63.5 56.1L496 352H234.1l21.8-174c1.1-8.8-5.1-16.8-13.9-17.9s-16.8 5.1-17.9 13.9L201.9 352H144zM96 416c0-17.7 14.3-32 32-32H512c17.7 0 32 14.3 32 32v32c0 17.7-14.3 32-32 32H128c-17.7 0-32-14.3-32-32V416z"></path></svg></span><div><a class="no-underline text-white undefined sm:text-lg hover:underline" href="/tour/anomaly-detection">Anomaly detection</a></div></div></li><li><div class="flex items-center space-x-3"><span class="h-4 w-4 flex justify-center items-center"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="traffic-light" class="svg-inline--fa fa-traffic-light " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path fill="currentColor" d="M64 0C28.7 0 0 28.7 0 64V352c0 88.4 71.6 160 160 160s160-71.6 160-160V64c0-35.3-28.7-64-64-64H64zm96 416a48 48 0 1 1 0-96 48 48 0 1 1 0 96zm48-176a48 48 0 1 1 -96 0 48 48 0 1 1 96 0zm-48-80a48 48 0 1 1 0-96 48 48 0 1 1 0 96z"></path></svg></span><div><a class="no-underline text-white undefined sm:text-lg hover:underline" href="/tour/uptime-monitoring">Uptime monitoring</a></div></div></li><li><div class="flex items-center space-x-3"><span class="h-4 w-4 flex justify-center items-center"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="gauge-high" class="svg-inline--fa fa-gauge-high " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M0 256a256 256 0 1 1 512 0A256 256 0 1 1 0 256zM288 96a32 32 0 1 0 -64 0 32 32 0 1 0 64 0zM256 416c35.3 0 64-28.7 64-64c0-17.4-6.9-33.1-18.1-44.6L366 161.7c5.3-12.1-.2-26.3-12.3-31.6s-26.3 .2-31.6 12.3L257.9 288c-.6 0-1.3 0-1.9 0c-35.3 0-64 28.7-64 64s28.7 64 64 64zM176 144a32 32 0 1 0 -64 0 32 32 0 1 0 64 0zM96 288a32 32 0 1 0 0-64 32 32 0 1 0 0 64zm352-32a32 32 0 1 0 -64 0 32 32 0 1 0 64 0z"></path></svg></span><div><a class="no-underline text-white undefined sm:text-lg hover:underline" href="/tour/metrics">Metric dashboards</a></div></div></li><li><div class="flex items-center space-x-3"><span class="h-4 w-4 flex justify-center items-center"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="users" class="svg-inline--fa fa-users " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 640 512"><path fill="currentColor" d="M144 0a80 80 0 1 1 0 160A80 80 0 1 1 144 0zM512 0a80 80 0 1 1 0 160A80 80 0 1 1 512 0zM0 298.7C0 239.8 47.8 192 106.7 192h42.7c15.9 0 31 3.5 44.6 9.7c-1.3 7.2-1.9 14.7-1.9 22.3c0 38.2 16.8 72.5 43.3 96c-.2 0-.4 0-.7 0H21.3C9.6 320 0 310.4 0 298.7zM405.3 320c-.2 0-.4 0-.7 0c26.6-23.5 43.3-57.8 43.3-96c0-7.6-.7-15-1.9-22.3c13.6-6.3 28.7-9.7 44.6-9.7h42.7C592.2 192 640 239.8 640 298.7c0 11.8-9.6 21.3-21.3 21.3H405.3zM224 224a96 96 0 1 1 192 0 96 96 0 1 1 -192 0zM128 485.3C128 411.7 187.7 352 261.3 352H378.7C452.3 352 512 411.7 512 485.3c0 14.7-11.9 26.7-26.7 26.7H154.7c-14.7 0-26.7-11.9-26.7-26.7z"></path></svg></span><div><a class="no-underline text-white undefined sm:text-lg hover:underline" href="/tour/workflow">Workflow</a></div></div></li><li><div class="flex items-center space-x-3"><span class="h-4 w-4 flex justify-center items-center"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="line-columns" class="svg-inline--fa fa-line-columns " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M224 64c0-17.7-14.3-32-32-32H32C14.3 32 0 46.3 0 64S14.3 96 32 96H192c17.7 0 32-14.3 32-32zm0 128c0-17.7-14.3-32-32-32H32c-17.7 0-32 14.3-32 32s14.3 32 32 32H192c17.7 0 32-14.3 32-32zM0 320c0 17.7 14.3 32 32 32H192c17.7 0 32-14.3 32-32s-14.3-32-32-32H32c-17.7 0-32 14.3-32 32zM224 448c0-17.7-14.3-32-32-32H32c-17.7 0-32 14.3-32 32s14.3 32 32 32H192c17.7 0 32-14.3 32-32zM288 64c0 17.7 14.3 32 32 32H480c17.7 0 32-14.3 32-32s-14.3-32-32-32H320c-17.7 0-32 14.3-32 32zM512 192c0-17.7-14.3-32-32-32H320c-17.7 0-32 14.3-32 32s14.3 32 32 32H480c17.7 0 32-14.3 32-32zM288 320c0 17.7 14.3 32 32 32H480c17.7 0 32-14.3 32-32s-14.3-32-32-32H320c-17.7 0-32 14.3-32 32zM512 448c0-17.7-14.3-32-32-32H320c-17.7 0-32 14.3-32 32s14.3 32 32 32H480c17.7 0 32-14.3 32-32z"></path></svg></span><div><a class="no-underline text-white undefined sm:text-lg hover:underline" href="/tour/log-management">Log management</a></div></div></li><li><div class="flex items-center space-x-3"><span class="h-4 w-4 flex justify-center items-center"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="gauge-high" class="svg-inline--fa fa-gauge-high " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M0 256a256 256 0 1 1 512 0A256 256 0 1 1 0 256zM288 96a32 32 0 1 0 -64 0 32 32 0 1 0 64 0zM256 416c35.3 0 64-28.7 64-64c0-17.4-6.9-33.1-18.1-44.6L366 161.7c5.3-12.1-.2-26.3-12.3-31.6s-26.3 .2-31.6 12.3L257.9 288c-.6 0-1.3 0-1.9 0c-35.3 0-64 28.7-64 64s28.7 64 64 64zM176 144a32 32 0 1 0 -64 0 32 32 0 1 0 64 0zM96 288a32 32 0 1 0 0-64 32 32 0 1 0 0 64zm352-32a32 32 0 1 0 -64 0 32 32 0 1 0 64 0z"></path></svg></span><div><a class="no-underline text-white undefined sm:text-lg hover:underline" href="/tour/automated-dashboards">Automated Dashboards</a></div></div></li><li><div class="flex items-center space-x-3"><span class="h-4 w-4 flex justify-center items-center"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="square-check" class="svg-inline--fa fa-square-check " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path fill="currentColor" d="M64 32C28.7 32 0 60.7 0 96V416c0 35.3 28.7 64 64 64H384c35.3 0 64-28.7 64-64V96c0-35.3-28.7-64-64-64H64zM337 209L209 337c-9.4 9.4-24.6 9.4-33.9 0l-64-64c-9.4-9.4-9.4-24.6 0-33.9s24.6-9.4 33.9 0l47 47L303 175c9.4-9.4 24.6-9.4 33.9 0s9.4 24.6 0 33.9z"></path></svg></span><div><a class="no-underline text-white undefined sm:text-lg hover:underline" href="/tour/check-ins">Check-ins</a></div></div></li><li><div class="flex items-center space-x-3"><span class="h-4 w-4 flex justify-center items-center"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="user-secret" class="svg-inline--fa fa-user-secret " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path fill="currentColor" d="M224 16c-6.7 0-10.8-2.8-15.5-6.1C201.9 5.4 194 0 176 0c-30.5 0-52 43.7-66 89.4C62.7 98.1 32 112.2 32 128c0 14.3 25 27.1 64.6 35.9c-.4 4-.6 8-.6 12.1c0 17 3.3 33.2 9.3 48H45.4C38 224 32 230 32 237.4c0 1.7 .3 3.4 1 5l38.8 96.9C28.2 371.8 0 423.8 0 482.3C0 498.7 13.3 512 29.7 512H418.3c16.4 0 29.7-13.3 29.7-29.7c0-58.5-28.2-110.4-71.7-143L415 242.4c.6-1.6 1-3.3 1-5c0-7.4-6-13.4-13.4-13.4H342.7c6-14.8 9.3-31 9.3-48c0-4.1-.2-8.1-.6-12.1C391 155.1 416 142.3 416 128c0-15.8-30.7-29.9-78-38.6C324 43.7 302.5 0 272 0c-18 0-25.9 5.4-32.5 9.9c-4.8 3.3-8.8 6.1-15.5 6.1zm56 208H267.6c-16.5 0-31.1-10.6-36.3-26.2c-2.3-7-12.2-7-14.5 0c-5.2 15.6-19.9 26.2-36.3 26.2H168c-22.1 0-40-17.9-40-40V169.6c28.2 4.1 61 6.4 96 6.4s67.8-2.3 96-6.4V184c0 22.1-17.9 40-40 40zm-88 96l16 32L176 480 128 288l64 32zm128-32L272 480 240 352l16-32 64-32z"></path></svg></span><div><a class="no-underline text-white undefined sm:text-lg hover:underline" href="/tour/time-detective">Time Detective</a></div></div></li></ul></div><div class="col-span-1"><h2 class="text-white uppercase tracking-wider font-medium border-b border-gray-700 pb-3 mb-4">Resources</h2><ul class="space-y-2"><li><div class="flex items-center space-x-3"><div><a class="no-underline text-white undefined sm:text-lg hover:underline" href="/plans">Plans &amp; pricing</a></div></div></li><li><div class="flex items-center space-x-3"><div><a href="https://docs.appsignal.com/" class="no-underline text-white undefined sm:text-lg hover:underline">Documentation</a></div></div></li><li><div class="flex items-center space-x-3"><div><a href="https://blog.appsignal.com/" class="no-underline text-white undefined sm:text-lg hover:underline">Blog</a></div></div></li><li><div class="flex items-center space-x-3"><div><a class="no-underline text-white undefined sm:text-lg hover:underline" href="/customers">Customer Stories</a></div></div></li><li><div class="flex items-center space-x-3"><div><a class="no-underline text-white undefined sm:text-lg hover:underline" href="/alternative/datadog-alternative">Compare AppSignal to Datadog</a></div></div></li><li><div class="flex items-center space-x-3"><div><a class="no-underline text-white undefined sm:text-lg hover:underline" href="/alternative/new-relic-alternative">Compare AppSignal to New Relic</a></div></div></li><li><div class="flex items-center space-x-3"><div><a class="no-underline text-white undefined sm:text-lg hover:underline" href="/alternative/sentry-alternative">Compare AppSignal to Sentry</a></div></div></li><li><div class="flex items-center space-x-3"><div><a class="no-underline text-white undefined sm:text-lg hover:underline" href="/changelog">Changelog</a></div></div></li><li><div class="flex items-center space-x-3"><div><a class="no-underline text-white undefined sm:text-lg hover:underline" href="/learning-center">Learning Center</a></div></div></li><li><div class="flex items-center space-x-3"><div><a class="no-underline text-white undefined sm:text-lg hover:underline" href="/why">Why AppSignal</a></div></div></li></ul></div><div class="col-span-1"><h2 class="text-white uppercase tracking-wider font-medium border-b border-gray-700 pb-3 mb-4">Support</h2><p class="text-sm mb-4">Do you need help, have a feature request or just need someone to rubber duck with? Get in touch with one of our engineers.</p><ul class="space-y-2"><li><div class="flex items-center space-x-3"><div><a class="no-underline text-white undefined sm:text-lg hover:underline" href="/contact">Contact us</a></div></div></li><li><div class="flex items-center space-x-3"><div><a href="mailto:support@appsignal.com" class="no-underline text-white undefined sm:text-lg hover:underline">Live chat</a></div></div></li><li><div class="flex items-center space-x-3"><div><a href="https://status.appsignal.com/" class="no-underline text-white undefined sm:text-lg hover:underline">Status</a></div></div></li><li><div class="flex items-center space-x-3"><div><a class="no-underline text-white undefined sm:text-lg hover:underline" href="/security">Security</a></div></div></li></ul></div><div class="col-span-1"><h2 class="text-white uppercase tracking-wider font-medium border-b border-gray-700 pb-3 mb-4">About us</h2><p class="text-sm mb-4"><span>AppSignal is located in the beautiful Netherlands. We love<!-- --> <a href="/waffles">stroopwafels</a>. If you do too, <a href="mailto:support@appsignal.com">let us know</a>. We might send you some!</span></p><ul class="space-y-2"><li><div class="flex items-center space-x-3"><div><a class="no-underline text-white undefined sm:text-lg hover:underline" href="/about">About</a></div></div></li><li><div class="flex items-center space-x-3"><div><a class="no-underline text-white undefined sm:text-lg hover:underline" href="/jobs">Jobs</a></div></div></li><li><div class="flex items-center space-x-3"><div><a href="https://blog.appsignal.com/write-for-us" class="no-underline text-white undefined sm:text-lg hover:underline">Write for Our Blog</a></div></div></li><li><div class="flex items-center space-x-3"><div><a class="no-underline text-white undefined sm:text-lg hover:underline" href="/diversity">Diversity</a></div></div></li><li><div class="flex items-center space-x-3"><div><a class="no-underline text-white undefined sm:text-lg hover:underline" href="/open-source">Open Source</a></div></div></li><li><div class="flex items-center space-x-3"><div><a href="https://twitter.com/appsignal" class="no-underline text-white undefined sm:text-lg hover:underline">Twitter</a></div></div></li></ul></div><div class="col-span-1 sm:col-span-2 xl:col-span-4"><h2 class="text-white uppercase tracking-wider font-medium border-b border-gray-700 pb-3 mb-4">Languages</h2><div class="grid grid-cols-1 sm:grid-cols-3 gap-6 sm:gap-12"><div class="space-y-6 sm:space-y-12 lg:space-y-0 lg:grid lg:grid-cols-2 lg:gap-12"><ul class="space-y-2"><li><div class="flex items-center space-x-2"><span class="h-4 w-4 flex justify-center items-center"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="gem" class="svg-inline--fa fa-gem " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M116.7 33.8c4.5-6.1 11.7-9.8 19.3-9.8H376c7.6 0 14.8 3.6 19.3 9.8l112 152c6.8 9.2 6.1 21.9-1.5 30.4l-232 256c-4.5 5-11 7.9-17.8 7.9s-13.2-2.9-17.8-7.9l-232-256c-7.7-8.5-8.3-21.2-1.5-30.4l112-152zm38.5 39.8c-3.3 2.5-4.2 7-2.1 10.5l57.4 95.6L63.3 192c-4.1 .3-7.3 3.8-7.3 8s3.2 7.6 7.3 8l192 16c.4 0 .9 0 1.3 0l192-16c4.1-.3 7.3-3.8 7.3-8s-3.2-7.6-7.3-8L301.5 179.8l57.4-95.6c2.1-3.5 1.2-8.1-2.1-10.5s-7.9-2-10.7 1L256 172.2 165.9 74.6c-2.8-3-7.4-3.4-10.7-1z"></path></svg></span><div><a class="no-underline text-white text-lg sm:text-lg hover:underline" href="/ruby">Ruby</a></div></div><p class="mt-1"><span class="sm:block"><a class="no-underline hover:underline" href="/ruby/active-record-monitoring">Active Record</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/ruby/capistrano-monitoring">Capistrano</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/ruby/delayed-job-monitoring">Delayed::Job</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/ruby/garbage-collection-monitoring">Garbage Collection</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/ruby/global-vm-lock-monitoring">Global VM Lock</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/ruby/grape-monitoring">Grape</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/ruby/graphql-monitoring">GraphQL</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/ruby/hanami-monitoring">Hanami</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/ruby/mongodb-monitoring">MongoDB</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/ruby/padrino-monitoring">Padrino</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/ruby/puma-monitoring">Puma</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/ruby/que-monitoring">Que</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/ruby/rails-monitoring">Ruby on Rails</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/ruby/rake-monitoring">Rake</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/ruby/resque-monitoring">Resque</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/ruby/shoryuken-monitoring">Shoryuken</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/ruby/sidekiq-monitoring">Sidekiq</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/ruby/sinatra-monitoring">Sinatra</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/ruby/solid-queue-monitoring">Solid Queue</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/ruby/view-component-monitoring">ViewComponent</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/ruby/webmachine-monitoring">Webmachine</a><span class="sm:hidden"></span></span></p></li></ul><ul class="space-y-2"><li><div class="flex items-center space-x-2"><span class="h-4 w-4 flex justify-center items-center"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="droplet" class="svg-inline--fa fa-droplet " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 384 512"><path fill="currentColor" d="M192 512C86 512 0 426 0 320C0 228.8 130.2 57.7 166.6 11.7C172.6 4.2 181.5 0 191.1 0h1.8c9.6 0 18.5 4.2 24.5 11.7C253.8 57.7 384 228.8 384 320c0 106-86 192-192 192zM96 336c0-8.8-7.2-16-16-16s-16 7.2-16 16c0 61.9 50.1 112 112 112c8.8 0 16-7.2 16-16s-7.2-16-16-16c-44.2 0-80-35.8-80-80z"></path></svg></span><div><a class="no-underline text-white text-lg sm:text-lg hover:underline" href="/elixir">Elixir</a></div></div><p class="mt-1"><span class="sm:block"><a class="no-underline hover:underline" href="/elixir/absinthe-monitoring">Absinthe</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/elixir/ecto-monitoring">Ecto</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/elixir/erlang-monitoring">Erlang</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/elixir/finch-monitoring">Finch</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/elixir/oban-monitoring">Oban</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/elixir/phoenix-monitoring">Phoenix</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/elixir/plug-monitoring">Plug</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/elixir/tesla-monitoring">Tesla</a><span class="sm:hidden"></span></span></p></li></ul></div><div class="space-y-6 sm:space-y-12 lg:space-y-0 lg:grid lg:grid-cols-2 lg:gap-12"><ul class="space-y-2"><li><div class="flex items-center space-x-2"><span class="h-4 w-4 flex justify-center items-center"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="node-js" class="svg-inline--fa fa-node-js " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path fill="currentColor" d="M224 508c-6.7 0-13.5-1.8-19.4-5.2l-61.7-36.5c-9.2-5.2-4.7-7-1.7-8 12.3-4.3 14.8-5.2 27.9-12.7 1.4-.8 3.2-.5 4.6.4l47.4 28.1c1.7 1 4.1 1 5.7 0l184.7-106.6c1.7-1 2.8-3 2.8-5V149.3c0-2.1-1.1-4-2.9-5.1L226.8 37.7c-1.7-1-4-1-5.7 0L36.6 144.3c-1.8 1-2.9 3-2.9 5.1v213.1c0 2 1.1 4 2.9 4.9l50.6 29.2c27.5 13.7 44.3-2.4 44.3-18.7V167.5c0-3 2.4-5.3 5.4-5.3h23.4c2.9 0 5.4 2.3 5.4 5.3V378c0 36.6-20 57.6-54.7 57.6-10.7 0-19.1 0-42.5-11.6l-48.4-27.9C8.1 389.2.7 376.3.7 362.4V149.3c0-13.8 7.4-26.8 19.4-33.7L204.6 9c11.7-6.6 27.2-6.6 38.8 0l184.7 106.7c12 6.9 19.4 19.8 19.4 33.7v213.1c0 13.8-7.4 26.7-19.4 33.7L243.4 502.8c-5.9 3.4-12.6 5.2-19.4 5.2zm149.1-210.1c0-39.9-27-50.5-83.7-58-57.4-7.6-63.2-11.5-63.2-24.9 0-11.1 4.9-25.9 47.4-25.9 37.9 0 51.9 8.2 57.7 33.8.5 2.4 2.7 4.2 5.2 4.2h24c1.5 0 2.9-.6 3.9-1.7s1.5-2.6 1.4-4.1c-3.7-44.1-33-64.6-92.2-64.6-52.7 0-84.1 22.2-84.1 59.5 0 40.4 31.3 51.6 81.8 56.6 60.5 5.9 65.2 14.8 65.2 26.7 0 20.6-16.6 29.4-55.5 29.4-48.9 0-59.6-12.3-63.2-36.6-.4-2.6-2.6-4.5-5.3-4.5h-23.9c-3 0-5.3 2.4-5.3 5.3 0 31.1 16.9 68.2 97.8 68.2 58.4-.1 92-23.2 92-63.4z"></path></svg></span><div><a class="no-underline text-white text-lg sm:text-lg hover:underline" href="/nodejs">Node.js</a></div></div><p class="mt-1"><span class="sm:block"><a class="no-underline hover:underline" href="/nodejs/amqplib-monitoring">AMQPlib</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/nodejs/apollo-gateway-monitoring">Apollo Gateway</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/nodejs/bullmq-monitoring">BullMQ</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/nodejs/express-monitoring">Express</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/nodejs/fastify-monitoring">Fastify</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/nodejs/graphql-monitoring">GraphQL</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/nodejs/knexjs-monitoring">Knex.js</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/nodejs/koa-monitoring">Koa</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/nodejs/mongodb-monitoring">MongoDB</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/nodejs/mongoose-monitoring">Mongoose</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/nodejs/mysql-monitoring">MySQL</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/nodejs/nestjs-monitoring">NestJS</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/nodejs/nextjs-monitoring">Next.js</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/nodejs/pino-monitoring">Pino</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/nodejs/postgresql-monitoring">PostgreSQL</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/nodejs/prisma-monitoring">Prisma</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/nodejs/redis-monitoring">Redis</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/nodejs/remix-monitoring">Remix</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/nodejs/restify-monitoring">Restify</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/nodejs/winston-monitoring">Winston</a><span class="sm:hidden"></span></span></p></li></ul><ul class="space-y-2"><li><div class="flex items-center space-x-2"><span class="h-4 w-4 flex justify-center items-center"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="square-js" class="svg-inline--fa fa-square-js " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path fill="currentColor" d="M448 96c0-35.3-28.7-64-64-64H64C28.7 32 0 60.7 0 96V416c0 35.3 28.7 64 64 64H384c35.3 0 64-28.7 64-64V96zM180.9 444.9c-33.7 0-53.2-17.4-63.2-38.5L152 385.7c6.6 11.7 12.6 21.6 27.1 21.6c13.8 0 22.6-5.4 22.6-26.5V237.7h42.1V381.4c0 43.6-25.6 63.5-62.9 63.5zm85.8-43L301 382.1c9 14.7 20.8 25.6 41.5 25.6c17.4 0 28.6-8.7 28.6-20.8c0-14.4-11.4-19.5-30.7-28l-10.5-4.5c-30.4-12.9-50.5-29.2-50.5-63.5c0-31.6 24.1-55.6 61.6-55.6c26.8 0 46 9.3 59.8 33.7L368 290c-7.2-12.9-15-18-27.1-18c-12.3 0-20.1 7.8-20.1 18c0 12.6 7.8 17.7 25.9 25.6l10.5 4.5c35.8 15.3 55.9 31 55.9 66.2c0 37.8-29.8 58.6-69.7 58.6c-39.1 0-64.4-18.6-76.7-43z"></path></svg></span><div><a class="no-underline text-white text-lg sm:text-lg hover:underline" href="/javascript">JavaScript</a></div></div><p class="mt-1"><span class="sm:block"><a class="no-underline hover:underline" href="/javascript/react-monitoring">React</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/javascript/vue-monitoring">Vue</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/javascript/angular-monitoring">Angular</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/javascript/ember-monitoring">Ember</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/javascript/preact-monitoring">Preact</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/javascript/stimulus-monitoring">Stimulus</a><span class="sm:hidden"></span></span></p></li></ul></div><div class="space-y-6 sm:space-y-12 lg:space-y-0 lg:grid lg:grid-cols-2 lg:gap-12"><ul class="space-y-2"><li><div class="flex items-center space-x-2"><span class="h-4 w-4 flex justify-center items-center"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="python" class="svg-inline--fa fa-python " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path fill="currentColor" d="M439.8 200.5c-7.7-30.9-22.3-54.2-53.4-54.2h-40.1v47.4c0 36.8-31.2 67.8-66.8 67.8H172.7c-29.2 0-53.4 25-53.4 54.3v101.8c0 29 25.2 46 53.4 54.3 33.8 9.9 66.3 11.7 106.8 0 26.9-7.8 53.4-23.5 53.4-54.3v-40.7H226.2v-13.6h160.2c31.1 0 42.6-21.7 53.4-54.2 11.2-33.5 10.7-65.7 0-108.6zM286.2 404c11.1 0 20.1 9.1 20.1 20.3 0 11.3-9 20.4-20.1 20.4-11 0-20.1-9.2-20.1-20.4.1-11.3 9.1-20.3 20.1-20.3zM167.8 248.1h106.8c29.7 0 53.4-24.5 53.4-54.3V91.9c0-29-24.4-50.7-53.4-55.6-35.8-5.9-74.7-5.6-106.8.1-45.2 8-53.4 24.7-53.4 55.6v40.7h106.9v13.6h-147c-31.1 0-58.3 18.7-66.8 54.2-9.8 40.7-10.2 66.1 0 108.6 7.6 31.6 25.7 54.2 56.8 54.2H101v-48.8c0-35.3 30.5-66.4 66.8-66.4zm-6.7-142.6c-11.1 0-20.1-9.1-20.1-20.3.1-11.3 9-20.4 20.1-20.4 11 0 20.1 9.2 20.1 20.4s-9 20.3-20.1 20.3z"></path></svg></span><div><a class="no-underline text-white text-lg sm:text-lg hover:underline" href="/python">Python</a></div></div><p class="mt-1"><span class="sm:block"><a class="no-underline hover:underline" href="/python/celery-monitoring">Celery</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/python/django-monitoring">Django</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/python/fastapi-monitoring">FastAPI</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/python/flask-monitoring">Flask</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/python/jinja2-monitoring">Jinja2</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/python/mysql-monitoring">MySQL</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/python/pika-monitoring">Pika</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/python/postgresql-monitoring">PostgreSQL</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/python/redis-monitoring">Redis</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/python/request-monitoring">Request</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/python/sqlalchemy-monitoring">SQLAlchemy</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/python/sqlite-monitoring">SQLite</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/python/starlette-monitoring">Starlette</a><span class="sm:hidden">, </span></span><span class="sm:block"><a class="no-underline hover:underline" href="/python/wsgi-asgi-monitoring">WSGI and ASGI</a><span class="sm:hidden"></span></span></p></li></ul><ul class="space-y-2"><li><div class="flex items-center space-x-2"><div><a class="no-underline text-white text-lg sm:text-lg hover:underline"></a></div></div></li></ul></div></div></div><div class="col-span-1 sm:col-span-2 xl:col-span-4 border-t 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