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'ap-o-toc contentmenuopen' : 'ap-o-toc'" i-amphtml-binding> <label class="ap-o-toc-toggle" for="toc" on="tap:AMP.setState({contentmenuopen: !contentmenuopen})" role="contentmenutrigger" tabindex="0"> <span class="ap-o-toc-hl">目录</span> <span class="nav-icon"> <svg class="ap-a-ico"><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#angle-down-solid"/></svg> </span> </label> <input class="-uo -ur" type="checkbox" name="toc" id="toc" autocomplete="off"> <ul><li><a href="#服务器端呈现-amp-布局">服务器端呈现 AMP 布局</a></li> <li><a href="#主打图片优化">主打图片优化</a></li> <li><a href="#图片优化">图片优化</a></li> <li><a href="#amp-模块构建（即将推出）">AMP 模块构建（即将推出）</a></li></ul> </div> </section> <section class="-t"> <label class="-uu -ui ap-a-sidebar-mobile-toggle-label-sidebar" for="sidebar" on="tap:sidebar-left.toggle" role="categoriemenutrigger" tabindex="0"> <span class="label-icon"><svg><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#sidebar-toggle"/></svg></span> <span class="label-title">切换边栏</span> </label> <label class="-uu -uc ap-a-sidebar-desktop-toggle-label-sidebar" for="sidebar-desktop" role="categoriemenutrigger-desktop" tabindex="0"> <span class="label-icon"><svg><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#sidebar-toggle"/></svg></span> <span class="label-title">切换边栏</span> </label> <nav class="-ut"> <a class="ap-m-breadcrumbs-crumb" href="/zh_cn/documentation/">文档</a> <span class="ap-m-breadcrumbs-divider"> <svg class="ap-a-ico -un"><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#angle-down-solid"/></svg> </span> <a class="ap-m-breadcrumbs-crumb" href="/zh_cn/documentation/guides-and-tutorials/">指南和教程</a> <span class="ap-m-breadcrumbs-divider"> <svg class="ap-a-ico -un"><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#angle-down-solid"/></svg> </span> <div class="ap-m-breadcrumbs-crumb">Using an AMP Optimizer</div> </nav> <h1>AMP Optimizer 的工作方式</h1> <p>AMP Optimizer 将有效的 AMPHTML 文档作为输入，并通过应用手动操作会非常麻烦的其他优化将其转换为优化版本。您可以通过 <code>transformed</code> 属性识别 <code>html</code> 元素中生成的<strong>转换 AMP</strong>：</p> <div class="-ta"><pre><span></span><code><span class="err"><html ⚡ i-amphtml-layout i-amphtml-no-boilerplate transformed="self;v=1"></span> </code></pre></div> <p>注：AMP 缓存使用不同的转换标记，例如，Google AMP 缓存添加了 <code>transformed=google;v=1</code>。</p> <p>AMP Optimizer 对 AMP 文档执行包括从服务器端呈现布局到图片优化在内的各种优化。下面的示例显示了 AMP 网页与其优化版本之间的差异（<a href="/static/img/docs/guides/optimized-amp-diff.png">点击查看放大版本</a>）。</p> <p><a href="/static/img/docs/guides/optimized-amp-diff.png"><amp-img lightbox layout="responsive" width="2560" height="773" src="/static/img/docs/guides/optimized-amp-diff.png" class="i-amphtml-layout-responsive i-amphtml-layout-size-defined" i-amphtml-layout="responsive"><i-amphtml-sizer slot="i-amphtml-svc" style="display:block;padding-top:30.1953%"></i-amphtml-sizer></amp-img></a></p> <p>在本指南的其余部分，我们将更详细地介绍这些优化。</p> <h3 id="服务器端呈现-amp-布局">服务器端呈现 AMP 布局</h3> <p>在提高 AMP 网页加载性能方面，服务器端呈现 AMP 布局拥有最大潜力。为避免内容跳转，AMP 要求网站在标头中添加 <a href="https://amp.dev/documentation/guides-and-tutorials/learn/spec/amp-boilerplate/?format=websites">AMP 样板代码</a>。AMP 样板通过将页面主体的不透明度设置为 0 来隐藏网页内容。一旦加载完 AMP，便可计算网页的布局。之后，AMP 会将主体的不透明度设置为 1，使网页内容可见。遗憾的是，这种方式必须先下载 AMP 框架，然后才能呈现网页。</p> <p>为了改善这一点，可以在将网页提供给用户代理之前在服务器端呈现 AMP 布局（例如 <code>responsive</code> 布局或 <code>fixed-height</code> 布局）。这样便可移除 AMP 样板，同时仍可避免网页加载期间发生<a href="https://web.dev/cls/">内容偏移</a>。</p> <p>服务器端呈现执行以下三个操作：</p> <p>⁣<strong>1. 移除 AMP 样板</strong>：对于使用 AMP 布局的每个元素，将注入布局特定的标记。</p> <p>⁣<strong>2. Inline AMP-internal CSS styles: </strong> the AMP-boilerplate code is replaced by the <a href="https://cdn.ampproject.org/v0.css">AMP-runtime CSS styles</a>:<code><style amp-runtime>...</style></code>. For non-server-side rendered documents, AMP adds these styles at runtime. However, server-side-rendered AMP pages require these for the AMP layouts to work before AMP has been loaded. To avoid potential version conflicts, at runtime, AMP will check if the version specified in i-amphtml-version="011905222334000" differs from the current AMP version and will update the CSS with the latest version if not.</p> <div class="-ta"><pre><span></span><code><span class="nt"><style</span> <span class="err">amp-runtime</span> <span class="na">i-amphtml-version=</span><span class="s">"011905222334000"</span><span class="nt">></span>html{overflow-x:hidden!important}html.i-amphtml-...<span class="nt"></style></span> </code></pre></div> <p>⁣<strong>3. 服务器端呈现的 AMP 布局</strong>：对于使用 AMP 布局的每个元素，将注入布局特定的 sizer 元素。</p> <div class="-ta"><pre><span></span><code><span class="nt"><amp-img</span> <span class="na">src=</span><span class="s">"image.jpg"</span> <span class="na">width=</span><span class="s">"1080"</span> <span class="na">height=</span><span class="s">"610"</span> <span class="na">layout=</span><span class="s">"responsive"</span> <span class="na">class=</span><span class="s">"i-amphtml-layout-responsive i-amphtml-layout-size-defined"</span> <span class="na">i-amphtml-layout=</span><span class="s">"responsive"</span><span class="nt">></span> <span class="nt"><i-amphtml-sizer</span> <span class="na">style=</span><span class="s">"display:block;padding-top:56.4815%;"</span><span class="nt">></i-amphtml-sizer></span> <span class="nt"></amp-img></span> </code></pre></div> <p>警告：不能始终移除 AMP 样板。通过检查 <code>html</code> 元素上是否存在 <code>i-amphtml-no-boilerplate</code> 属性，可以确定样板是否已被移除。例如，<code>amp-experiment</code> 组件会在运行时更改网页内容。为了避免内容偏移，如果在网页上使用 <code>amp-experiment</code>，则需要提供 AMP 样板代码。</p> <h3 id="主打图片优化">主打图片优化</h3> <p>AMP Optimizer 可以显著缩短在第一个视口中呈现图片所需的时间。在优化 <a href="https://web.dev/lcp/">LCP 时间</a>以满足<a href="https://web.dev/vitals">核心网页指标</a>的要求时，这一点至关重要。</p> <p>在 AMP 中，可以通过使用 <code>data-hero</code> 属性注解 <code>amp-img</code> 来显式声明主打图片：</p> <div class="-ta"><pre><span></span><code><span class="nt"><amp-img</span> <span class="err">data-hero</span> <span class="na">src=</span><span class="s">"/hero.jpg"</span> <span class="na">layout=</span><span class="s">"responsive"</span> <span class="na">width=</span><span class="s">"640"</span> <span class="na">height=</span><span class="s">"480"</span><span class="nt">></amp-img></span> </code></pre></div> <p>AMP Optimizer 在一个网页上最多支持两个主打图片，以避免阻塞其他关键资源的带宽。如果此限制对您无效，<a href="https://github.com/ampproject/amp-toolbox/issues">请告知我们</a>。</p> <p>AMP Optimizer 还会自动检测 <code>amp-img</code>、<code>amp-iframe</code>、<code>amp-video</code> 或 <code>amp-video-iframe</code> 元素的主打图片并为 <code>src</code> 图片注入 <code>link rel=preload</code>。自动检测通过分析 HTML 标记和图片布局来检测第一个视口中的大图片。</p> <p>对于 <code>amp-img</code>，AMP Optimizer 还会在服务器端呈现 <code>amp-img</code> 内的 <code>img</code> 标记。这样一来，浏览器便可立即呈现图片，而无需 AMP 运行时。</p> <h3 id="图片优化">图片优化</h3> <p>AMP Optimizer 可以通过生成 AMP 布局特定的 <code>srcset</code> 属性来帮助您提供经过优化的自适应图片。例如，以下 <code>amp-img</code> 声明：</p> <div class="-ta"><pre><span></span><code><span class="nt"><amp-img</span> <span class="na">src=</span><span class="s">"image1.png"</span> <span class="na">width=</span><span class="s">"400"</span> <span class="na">height=</span><span class="s">"800"</span> <span class="na">layout=</span><span class="s">"responsive"</span><span class="nt">></amp-img></span> </code></pre></div> <p>通过以下 <code>srcset</code> 定义得到增强：</p> <div class="-ta"><pre><span></span><code><span class="nt"><amp-img</span> <span class="na">src=</span><span class="s">"image1.png"</span> <span class="na">width=</span><span class="s">"400"</span> <span class="na">height=</span><span class="s">"800"</span> <span class="na">layout=</span><span class="s">"responsive"</span> <span class="na">srcset=</span><span class="s">"image1.470w.png 470w, image1.820w.png 820w, image1.1440w.png 1440w"</span><span class="nt">></amp-img></span> </code></pre></div> <p>为了使之生效，您的构建/托管环境需要支持调整图片大小/优化图片。查看有关如何以最佳方式集成图片优化的各个优化工具指南。</p> <h3 id="amp-模块构建（即将推出）">AMP 模块构建（即将推出）</h3> <p>我们基于 <a href="https://v8.dev/features/modules#browser">JavaScript 模块</a>提供了一个较小版本的 AMP 运行时和相应组件，借助此运行时，用户在查看 AMP 网页时只需下载较少的 JavaScript。AMP Optimizer 默认启用 AMP 模块构建，方法是将：</p> <div class="-ta"><pre><span></span><code><span class="nt"><script</span> <span class="err">async</span> <span class="na">src=</span><span class="s">"https://www.ampproject.org/v0.js"</span><span class="nt">></script></span> </code></pre></div> <p>转换为：</p> <div class="-ta"><pre><span></span><code><span class="nt"><script</span> <span class="na">type=</span><span class="s">"module"</span> <span class="err">async</span> <span class="na">src=</span><span class="s">"https://www.ampproject.org/v0.mjs"</span><span class="nt">></script></span> <span class="nt"><script</span> <span class="err">nomodule</span> <span class="err">async</span> <span class="na">src=</span><span class="s">"https://www.ampproject.org/v0.js"</span><span class="nt">></script></span> </code></pre></div> <p>理解 <code>type="module"</code> 的浏览器会忽略具有 <code>nomodule</code> 属性的脚本。这意味着使用新版浏览器的用户将从较小的运行时捆绑包中受益，而使用较旧浏览器的用户将回退到非模块版本的 AMP 运行时。</p> <p>注：AMP 模块构建仅适用于转换 AMP，因为它需要内嵌 AMP 运行时 CSS。</p> </section> <section class="-t"> <hr> <ul class="ap-o-mini-card-list"> <li class="ap-o-mini-card-list-item"> <div class="ap-m-mini-card"> <amp-img alt="Author avatar" src="https://github.com/sebastianbenz.png?size=38" width="38" height="38" class="large i-amphtml-layout-responsive i-amphtml-layout-size-defined" style="max-width: 38px" layout="responsive" i-amphtml-layout="responsive"><i-amphtml-sizer slot="i-amphtml-svc" style="display:block;padding-top:100%"></i-amphtml-sizer> </amp-img> <span> <strong>Written by <a href="https://github.com/sebastianbenz" rel="nofollow" target="_blank"> @sebastianbenz </a> </strong> </span> </div></li> </ul> </section> </div> </main> <amp-sidebar id="sidebar-left" class="ap--ampsidebar i-amphtml-layout-nodisplay" layout="nodisplay" side="left" hidden="hidden" i-amphtml-layout="nodisplay"> <nav class="ap--ampsidebar-toolbar" toolbar="(min-width: 768px)" toolbar-target="ap--sidebar-content"> <ul> <div class="ap-m-format-toggle"> <button class="ap-m-format-toggle-selected ap-m-format-toggle-link-websites"> <span class="ap-a-ico"> <svg><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#amp-websites"/></svg> </span> <span>websites</span> <span class="ap-a-ico ap-m-format-toggle-angle"> <svg><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#angle-down-solid"/></svg> </span> </button> <div class="ap-m-format-toggle-formats"> <a class="ap-m-format-toggle-link ap-m-format-toggle-link-stories" href="/zh_cn/documentation/guides-and-tutorials/stories/optimize-and-measure/amp-optimizer-guide/explainer/"> <span class="ap-a-ico"> <svg><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#amp-stories"/></svg> </span> <span>stories</span> </a> <a class="ap-m-format-toggle-link ap-m-format-toggle-link-ads" href="/zh_cn/documentation/guides-and-tutorials/ads/optimize-and-measure/amp-optimizer-guide/explainer/"> <span class="ap-a-ico"> <svg><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#amp-ads"/></svg> </span> <span>ads</span> </a> <a class="ap-m-format-toggle-link ap-m-format-toggle-link-email" href="/zh_cn/documentation/guides-and-tutorials/email/optimize-and-measure/amp-optimizer-guide/explainer/"> <span class="ap-a-ico"> <svg><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#amp-email"/></svg> </span> <span>email</span> </a> </div> </div> <div class="ap-o-sidebar-default"> <div class="ap-o-sidebar"> <div class="nav"> <ul class="nav-list level-1"> <li class="nav-item level-1"> <span class="nav-link"> <span>开始</span> </span> <input class="nav-trigger" type="checkbox"> <div class="nav-icon"> <svg class="ap-a-ico"><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#angle-down-solid"/></svg> </div> <ul class="nav-list level-2"> <li class="nav-item level-2"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/start/create/"> <span>创建您的第一个 AMP</span> <span class="nav-link-lastword">页面<svg class="ap-a-ico nav-type-icon"><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#tutorial"/></svg></span> </a> <input class="nav-trigger" type="checkbox"> <div class="nav-icon"> <svg class="ap-a-ico light"><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#angle-down-light"/></svg> </div> <ul class="nav-list level-3"> <li class="nav-item level-3"> <div class="ap-m-tutorial-progress "></div> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/start/create/basic_markup/"> 制作 AMP HTML 网页 </a> </li> <li class="nav-item level-3"> <div class="ap-m-tutorial-progress "></div> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/start/create/include_image/"> 添加图片 </a> </li> <li class="nav-item level-3"> <div class="ap-m-tutorial-progress "></div> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/start/create/presentation_layout/"> 修改呈现形式和布局 </a> </li> <li class="nav-item level-3"> <div class="ap-m-tutorial-progress "></div> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/start/create/prepare_for_discovery/"> 准备网页以供发现和分发 </a> </li> <li class="nav-item level-3"> <div class="ap-m-tutorial-progress "></div> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/start/create/actions_events/"> Actions and events </a> </li> <li class="nav-item level-3"> <div class="ap-m-tutorial-progress "></div> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/start/create/preview_and_validate/"> 预览和验证 </a> </li> <li class="nav-item level-3"> <div class="ap-m-tutorial-progress "></div> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/start/create/publish/"> 发布之前的最终步骤 </a> </li> </ul> </li> <li class="nav-item-tutorial-divider"></li> <li class="nav-item level-2"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/start/converting/"> <span>将 HTML 网页转换成 AMP</span> <span class="nav-link-lastword">网页<svg class="ap-a-ico nav-type-icon"><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#tutorial"/></svg></span> </a> <input class="nav-trigger" type="checkbox"> <div class="nav-icon"> <svg class="ap-a-ico light"><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#angle-down-light"/></svg> </div> <ul class="nav-list level-3"> <li class="nav-item level-3"> <div class="ap-m-tutorial-progress "></div> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/start/converting/setting-up/"> 设置 </a> </li> <li class="nav-item level-3"> <div class="ap-m-tutorial-progress "></div> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/start/converting/building-page/"> 创建一个常规 HTML 网页 </a> </li> <li class="nav-item level-3"> <div class="ap-m-tutorial-progress "></div> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/start/converting/resolving-errors/"> 解决验证错误 </a> </li> <li class="nav-item level-3"> <div class="ap-m-tutorial-progress "></div> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/start/converting/discoverable/"> 使您的网页可被轻松发现 </a> </li> <li class="nav-item level-3"> <div class="ap-m-tutorial-progress "></div> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/start/converting/congratulations/"> 恭喜！ </a> </li> </ul> </li> <li class="nav-item level-2"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/start/add_advanced/"> <span>添加高级 AMP</span> <span class="nav-link-lastword">功能<svg class="ap-a-ico nav-type-icon"><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#tutorial"/></svg></span> </a> <input class="nav-trigger" type="checkbox"> <div class="nav-icon"> <svg class="ap-a-ico light"><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#angle-down-light"/></svg> </div> <ul class="nav-list level-3"> <li class="nav-item level-3"> <div class="ap-m-tutorial-progress "></div> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/start/add_advanced/setting_up/"> 设置 </a> </li> <li class="nav-item level-3"> <div class="ap-m-tutorial-progress "></div> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/start/add_advanced/review_code/"> 查看入门代码 </a> </li> <li class="nav-item level-3"> <div class="ap-m-tutorial-progress "></div> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/start/add_advanced/adding_components/"> 添加 AMP 扩展组件 </a> </li> <li class="nav-item level-3"> <div class="ap-m-tutorial-progress "></div> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/start/add_advanced/adding_carousels/"> 添加轮换展示内容 </a> </li> <li class="nav-item level-3"> <div class="ap-m-tutorial-progress "></div> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/start/add_advanced/tracking_data/"> 通过分析跟踪互动 </a> </li> <li class="nav-item level-3"> <div class="ap-m-tutorial-progress "></div> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/start/add_advanced/navigating/"> 为您的网站添加导航元素 </a> </li> <li class="nav-item level-3"> <div class="ap-m-tutorial-progress "></div> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/start/add_advanced/fonts/"> 添加字体 </a> </li> <li class="nav-item level-3"> <div class="ap-m-tutorial-progress "></div> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/start/add_advanced/congratulations/"> 恭喜！ </a> </li> </ul> </li> </ul> </li> <li class="nav-item level-1"> <span class="nav-link"> <span>学习</span> </span> <input class="nav-trigger" type="checkbox"> <div class="nav-icon"> <svg class="ap-a-ico"><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#angle-down-solid"/></svg> </div> <ul class="nav-list level-2"> <li class="nav-item level-2"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/learn/common_attributes/"> 常见属性 </a> </li> <li class="nav-item level-2"> <span class="nav-link"> <span>AMP HTML 规范</span> </span> <input class="nav-trigger" type="checkbox"> <div class="nav-icon"> <svg class="ap-a-ico light"><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#angle-down-light"/></svg> </div> <ul class="nav-list level-3"> <li class="nav-item level-3"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/learn/spec/amp-html-responsive-attributes/"> AMP HTML Responsive Attributes </a> </li> <li class="nav-item level-3"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/learn/spec/amp-video-interface/"> Video in AMP </a> </li> <li class="nav-item level-3"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/learn/spec/amphtml/"> AMP HTML Specification </a> </li> <li class="nav-item level-3"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/learn/spec/amp-boilerplate/"> AMP 样板代码 </a> </li> <li class="nav-item level-3"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/learn/spec/release-schedule/"> AMP 发布时间表 </a> </li> </ul> </li> <li class="nav-item level-2"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/learn/experimental/"> 实验性功能 </a> </li> <li class="nav-item level-2"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/learn/amp-html-layout/"> <span>AMP's Layout System</span> </a> <input class="nav-trigger" type="checkbox"> <div class="nav-icon"> <svg class="ap-a-ico light"><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#angle-down-light"/></svg> </div> <ul class="nav-list level-3"> <li class="nav-item level-3"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/learn/amp-html-layout/"> AMPHTML 布局系统 </a> </li> <li class="nav-item level-3"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/learn/amp-html-layout/layouts_demonstrated/"> Demonstrating AMP layouts </a> </li> </ul> </li> <li class="nav-item level-2"> <span class="nav-link"> <span>验证工作流</span> </span> <input class="nav-trigger" type="checkbox"> <div class="nav-icon"> <svg class="ap-a-ico light"><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#angle-down-light"/></svg> </div> <ul class="nav-list level-3"> <li class="nav-item level-3"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/learn/validation-workflow/validate_amp/"> 验证 AMP 网页 </a> </li> <li class="nav-item level-3"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/learn/validation-workflow/validation_errors/"> AMP 验证错误 </a> </li> </ul> </li> <li class="nav-item level-2"> <span class="nav-link"> <span>AMP 缓存和 CORS</span> </span> <input class="nav-trigger" type="checkbox"> <div class="nav-icon"> <svg class="ap-a-ico light"><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#angle-down-light"/></svg> </div> <ul class="nav-list level-3"> <li class="nav-item level-3"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/learn/amp-caches-and-cors/amp-cors-requests/"> AMP与CORS </a> </li> <li class="nav-item level-3"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/learn/amp-caches-and-cors/how_amp_pages_are_cached/"> 如何缓存 AMP 网页 </a> </li> <li class="nav-item level-3"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/learn/amp-caches-and-cors/amp-cache-debugging/"> 调试 AMP 缓存问题 </a> </li> <li class="nav-item level-3"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/learn/amp-caches-and-cors/amp-cache-urls/"> AMP 缓存的网址格式和请求处理 </a> </li> </ul> </li> <li class="nav-item level-2"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/learn/combine-amp-pwa/"> 将 AMP 与 PWA 相结合 </a> </li> </ul> </li> <li class="nav-item level-1"> <span class="nav-link"> <span>开发</span> </span> <input class="nav-trigger" type="checkbox"> <div class="nav-icon"> <svg class="ap-a-ico"><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#angle-down-solid"/></svg> </div> <ul class="nav-list level-2"> <li class="nav-item level-2"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/develop/style_and_layout/"> <span>样式和布局</span> </a> <input class="nav-trigger" type="checkbox"> <div class="nav-icon"> <svg class="ap-a-ico light"><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#angle-down-light"/></svg> </div> <ul class="nav-list level-3"> <li class="nav-item level-3"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/develop/style_and_layout/style_pages/"> 支持的 CSS </a> </li> <li class="nav-item level-3"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/develop/style_and_layout/control_layout/"> 布局和媒体查询 </a> </li> <li class="nav-item level-3"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/develop/style_and_layout/placeholders/"> 占位符和后备 </a> </li> <li class="nav-item level-3"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/develop/style_and_layout/art_direction/"> 借助 srcset、sizes 和 heights 属性制作自适应图片 </a> </li> <li class="nav-item level-3"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/develop/style_and_layout/responsive_design/"> 制作自适应 AMP 网页 </a> </li> <li class="nav-item level-3"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/develop/style_and_layout/custom_fonts/"> 添加自定义字体 </a> </li> </ul> </li> <li class="nav-item level-2"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/develop/media_iframes_3p/"> <span>Include media, iframes & third-party content</span> </a> <input class="nav-trigger" type="checkbox"> <div class="nav-icon"> <svg class="ap-a-ico light"><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#angle-down-light"/></svg> </div> <ul class="nav-list level-3"> <li class="nav-item level-3"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/develop/media_iframes_3p/"> 添加图片和视频 </a> </li> <li class="nav-item level-3"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/develop/media_iframes_3p/third_party_components/"> 添加第三方内容 </a> </li> <li class="nav-item level-3"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/develop/media_iframes_3p/iframes/"> Include iframes </a> </li> </ul> </li> <li class="nav-item level-2"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/develop/interactivity_guide/"> <span>Interactivity</span> </a> <input class="nav-trigger" type="checkbox"> <div class="nav-icon"> <svg class="ap-a-ico light"><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#angle-down-light"/></svg> </div> <ul class="nav-list level-3"> <li class="nav-item level-3"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/develop/interactivity_guide/foundations/"> Interactivity foundations </a> </li> <li class="nav-item level-3"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/develop/interactivity_guide/ready_made/"> Ready-made interactivity with AMP components </a> </li> <li class="nav-item level-3"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/develop/interactivity_guide/personalized_experiences/"> Building personalized interactive experiences </a> </li> <li class="nav-item level-3"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/develop/interactivity_guide/client_rendering/"> Client-side rendering in AMP </a> </li> </ul> </li> <li class="nav-item level-2"> <span class="nav-link"> <span>动画和过渡</span> </span> <input class="nav-trigger" type="checkbox"> <div class="nav-icon"> <svg class="ap-a-ico light"><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#angle-down-light"/></svg> </div> <ul class="nav-list level-3"> <li class="nav-item level-3"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/develop/animations/triggering_css_animations/"> 触发 CSS 动画和过渡 </a> </li> <li class="nav-item level-3"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/develop/animations/introduction_to_animations/"> 复杂动画简介 </a> </li> </ul> </li> <li class="nav-item level-2"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/develop/custom-javascript/"> Use custom JavaScript in AMP pages </a> </li> <li class="nav-item level-2"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/develop/monetization/"> <span>在您的 AMP 网页中利用广告获利</span> </a> <input class="nav-trigger" type="checkbox"> <div class="nav-icon"> <svg class="ap-a-ico light"><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#angle-down-light"/></svg> </div> <ul class="nav-list level-3"> <li class="nav-item level-3"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/develop/monetization/"> 在您的 AMP 网页中利用广告获利 </a> </li> <li class="nav-item level-3"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/develop/monetization/ads_vendors/"> 广告供应商 </a> </li> <li class="nav-item level-3"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/develop/monetization/content_encryption/"> 利用客户端加密保护订阅内容 </a> </li> </ul> </li> <li class="nav-item-tutorial-divider"></li> <li class="nav-item level-2"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/develop/interactivity/"> <span>创建互动式 AMP</span> <span class="nav-link-lastword">网页<svg class="ap-a-ico nav-type-icon"><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#tutorial"/></svg></span> </a> <input class="nav-trigger" type="checkbox"> <div class="nav-icon"> <svg class="ap-a-ico light"><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#angle-down-light"/></svg> </div> <ul class="nav-list level-3"> <li class="nav-item level-3"> <div class="ap-m-tutorial-progress "></div> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/develop/interactivity/prereqs-setup/"> 设置 </a> </li> <li class="nav-item level-3"> <div class="ap-m-tutorial-progress "></div> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/develop/interactivity/get-familiar/"> 熟悉入门代码 </a> </li> <li class="nav-item level-3"> <div class="ap-m-tutorial-progress "></div> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/develop/interactivity/advanced-interactivity/"> 提升互动 </a> </li> <li class="nav-item level-3"> <div class="ap-m-tutorial-progress "></div> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/develop/interactivity/remote-data/"> Working with remote data </a> </li> <li class="nav-item level-3"> <div class="ap-m-tutorial-progress "></div> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/develop/interactivity/wrapping-up/"> Wrapping up </a> </li> </ul> </li> <li class="nav-item level-2"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/develop/login_requiring/"> <span>Create a login-requiring AMP</span> <span class="nav-link-lastword">page<svg class="ap-a-ico nav-type-icon"><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#tutorial"/></svg></span> </a> <input class="nav-trigger" type="checkbox"> <div class="nav-icon"> <svg class="ap-a-ico light"><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#angle-down-light"/></svg> </div> <ul class="nav-list level-3"> <li class="nav-item level-3"> <div class="ap-m-tutorial-progress "></div> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/develop/login_requiring/login/"> Login </a> </li> <li class="nav-item level-3"> <div class="ap-m-tutorial-progress "></div> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/develop/login_requiring/add_comment/"> Add a comment </a> </li> <li class="nav-item level-3"> <div class="ap-m-tutorial-progress "></div> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/develop/login_requiring/logout/"> Logout </a> </li> <li class="nav-item level-3"> <div class="ap-m-tutorial-progress "></div> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/develop/login_requiring/summary/"> 总结 </a> </li> </ul> </li> <li class="nav-item level-2"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/develop/custom-javascript-tutorial/"> Create a UI widget with custom JavaScript <svg class="ap-a-ico nav-type-icon"><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#tutorial"/></svg> </a> </li> <li class="nav-item level-2"> <a class="nav-link" href="/zh_cn/documentation/guides-and-tutorials/websites/develop/live_blog/"> 制作实时博客 <svg class="ap-a-ico nav-type-icon"><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#tutorial"/></svg> </a> </li> <li class="nav-item level-2"> <a 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