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exit:slideTransition.start,slideTransition.reverse" intersection-ratios="1" layout="nodisplay" class="i-amphtml-layout-nodisplay" hidden="hidden" i-amphtml-layout="nodisplay"> </amp-position-observer> <amp-animation id="slideTransition" layout="nodisplay" class="i-amphtml-layout-nodisplay" hidden="hidden" i-amphtml-layout="nodisplay"> <script type="application/json">{"duration":"150ms","fill":"both","easing":"ease-out","iterations":"1","animations":[{"selector":".label-title","keyframes":[{"transform":"scale3d(0, 1, 1)"},{"transform":"scale3d(1, 1, 1)"}]}]}</script> </amp-animation> </div> <amp-user-notification class="-ll i-amphtml-layout-nodisplay" id="format-filter-hint" layout="nodisplay" hidden="hidden" i-amphtml-layout="nodisplay"> </amp-user-notification> <div class="-lf" aria-hidden="true"> <div class="-lc"> <div class="-lh">Selecione seu formato para uma experiência mais simplificada</div> <button class="-lp" on="tap:format-filter-hint.dismiss"> <svg><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#close"/></svg> </button> </div> </div> <main class="ap--main -ft"> <div class="-tf"> <input class="-uu ap-a-sidebar-mobile-toggle-input-sidebar" type="checkbox" name="sidebar" id="sidebar" autocomplete="off"> <input class="-uf ap-a-sidebar-desktop-toggle-input-sidebar" type="checkbox" name="sidebar-desktop" id="sidebar-desktop" autocomplete="off"> <span id="ap--sidebar-content" class="-uc"></span> <section class="ap--toc"> <div class="ap-o-toc" [class]="contentmenuopen ? '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">Índice</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="-us -un" type="checkbox" name="toc" id="toc" autocomplete="off"> <ul><li><a href="#configuração">Configuração</a></li> <li><a href="#uso">Uso</a><ul> <li><a href="#criação-de-amp-otimizado-no-tempo-de-build">Criação de AMP otimizado no tempo de build</a></li> <li><a href="#tempo-de-renderização">Tempo de renderização</a></li> </ul> </li> <li><a href="#configuração_1">Configuração</a><ul> <li><a href="#otimização-de-imagens">Otimização de imagens</a></li> </ul> </li></ul> </div> </section> <section class="-t"> <label class="-uo -ur 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">Alternar barra lateral</span> </label> <label class="-uo -ul 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">Alternar barra lateral</span> </label> <nav class="-ue"> <a class="ap-m-breadcrumbs-crumb" href="/pt_br/documentation/">Documentação</a> <span class="ap-m-breadcrumbs-divider"> <svg class="ap-a-ico -ut"><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#angle-down-solid"/></svg> </span> <a class="ap-m-breadcrumbs-crumb" href="/pt_br/documentation/guides-and-tutorials/">Guias e tutoriais</a> <span class="ap-m-breadcrumbs-divider"> <svg class="ap-a-ico -ut"><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>Guia do Otimizador AMP do Node.js</h1> <p>Este guia explica como configurar e usar a versão Node.js do Otimizador AMP.</p> <h2 id="configuração">Configuração</h2> <p>Instale via NPM usando:</p> <div class="-ta"><pre><span></span><code>npm install @ampproject/toolbox-optimizer </code></pre></div> <h2 id="uso">Uso</h2> <p>A API do Otimizador AMP recebe uma string HTML como entrada e retorna uma versão otimizada dessa string HTML. O uso básico é ilustrado abaixo:</p> <div class="-ta"><pre><span></span><code><span class="kr">const</span> <span class="nx">AmpOptimizer</span> <span class="o">=</span> <span class="nx">require</span><span class="p">(</span><span class="s1">'@ampproject/toolbox-optimizer'</span><span class="p">);</span> <span class="c1">// create the AMP Optimizer instance</span> <span class="kr">const</span> <span class="nx">ampOptimizer</span> <span class="o">=</span> <span class="nx">AmpOptimizer</span><span class="p">.</span><span class="nx">create</span><span class="p">();</span> <span class="kr">const</span> <span class="nx">html</span> <span class="o">=</span> <span class="s1">'<h1>Hello World!</h1>'</span><span class="p">;</span> <span class="kr">const</span> <span class="nx">optimizedHtml</span> <span class="o">=</span> <span class="nx">await</span> <span class="nx">ampOptimizer</span><span class="p">.</span><span class="nx">transformHtml</span><span class="p">(</span><span class="nx">html</span><span class="p">);</span> </code></pre></div> <h3 id="criação-de-amp-otimizado-no-tempo-de-build">Criação de AMP otimizado no tempo de build</h3> <p>Para sites estáticos, o ideal é otimizar as páginas AMP em tempo de build, ao criar seu site. Eis um exemplo de como você o poderia integrá-lo a um build baseado no <a href="https://gulpjs.com/">Gulp.js</a>. Este exemplo adiciona uma transformação personalizada que otimiza todos os arquivos HTML dentro da pasta src:</p> <div class="-ta"><pre><span></span><code><span class="kr">const</span> <span class="p">{</span><span class="nx">src</span><span class="p">,</span> <span class="nx">dest</span><span class="p">}</span> <span class="o">=</span> <span class="nx">require</span><span class="p">(</span><span class="s1">'gulp'</span><span class="p">);</span> <span class="kr">const</span> <span class="nx">through2</span> <span class="o">=</span> <span class="nx">require</span><span class="p">(</span><span class="s1">'through2'</span><span class="p">);</span> <span class="kr">const</span> <span class="nx">AmpOptimizer</span> <span class="o">=</span> <span class="nx">require</span><span class="p">(</span><span class="s1">'@ampproject/toolbox-optimizer'</span><span class="p">);</span> <span class="kr">const</span> <span class="nx">ampOptimizer</span> <span class="o">=</span> <span class="nx">AmpOptimizer</span><span class="p">.</span><span class="nx">create</span><span class="p">();</span> <span class="kd">function</span> <span class="nx">build</span><span class="p">(</span><span class="nx">cb</span><span class="p">)</span> <span class="p">{</span> <span class="k">return</span> <span class="nx">src</span><span class="p">(</span><span class="s1">'src/*.html'</span><span class="p">)</span> <span class="p">.</span><span class="nx">pipe</span><span class="p">(</span> <span class="nx">through2</span><span class="p">.</span><span class="nx">obj</span><span class="p">(</span><span class="nx">async</span> <span class="p">(</span><span class="nx">file</span><span class="p">,</span> <span class="nx">_</span><span class="p">,</span> <span class="nx">cb</span><span class="p">)</span> <span class="p">=></span> <span class="p">{</span> <span class="k">if</span> <span class="p">(</span><span class="nx">file</span><span class="p">.</span><span class="nx">isBuffer</span><span class="p">())</span> <span class="p">{</span> <span class="kr">const</span> <span class="nx">optimizedHtml</span> <span class="o">=</span> <span class="nx">await</span> <span class="nx">ampOptimizer</span><span class="p">.</span><span class="nx">transformHtml</span><span class="p">(</span> <span class="nx">file</span><span class="p">.</span><span class="nx">contents</span><span class="p">.</span><span class="nx">toString</span><span class="p">()</span> <span class="p">);</span> <span class="nx">file</span><span class="p">.</span><span class="nx">contents</span> <span class="o">=</span> <span class="nx">Buffer</span><span class="p">.</span><span class="nx">from</span><span class="p">(</span><span class="nx">optimizedHtml</span><span class="p">);</span> <span class="p">}</span> <span class="nx">cb</span><span class="p">(</span><span class="kc">null</span><span class="p">,</span> <span class="nx">file</span><span class="p">);</span> <span class="p">})</span> <span class="p">)</span> <span class="p">.</span><span class="nx">pipe</span><span class="p">(</span><span class="nx">dest</span><span class="p">(</span><span class="s1">'dist/'</span><span class="p">));</span> <span class="p">}</span> <span class="nx">exports</span><span class="p">.</span><span class="k">default</span> <span class="o">=</span> <span class="nx">build</span><span class="p">;</span> </code></pre></div> <h3 id="tempo-de-renderização">Tempo de renderização</h3> <p>Para páginas dinâmicas, muitas vezes é necessário renderizar as páginas no servidor. Nesse caso, você pode executar o Otimizador AMP depois de renderizar suas páginas. Eis um exemplo de integração num servidor <a href="https://expressjs.com/">Express.js</a>. Uma maneira de integrar a otimização de AMP a um router Express é executá-lo num callback depois que os modelos forem <a href="https://expressjs.com/en/api.html#app.render">renderizados</a>:</p> <div class="-ta"><pre><span></span><code><span class="kr">const</span> <span class="nx">express</span> <span class="o">=</span> <span class="nx">require</span><span class="p">(</span><span class="s1">'express'</span><span class="p">);</span> <span class="kr">const</span> <span class="nx">router</span> <span class="o">=</span> <span class="nx">express</span><span class="p">.</span><span class="nx">Router</span><span class="p">();</span> <span class="kr">const</span> <span class="nx">AmpOptimizer</span> <span class="o">=</span> <span class="nx">require</span><span class="p">(</span><span class="s1">'@ampproject/toolbox-optimizer'</span><span class="p">);</span> <span class="kr">const</span> <span class="nx">ampOptimizer</span> <span class="o">=</span> <span class="nx">AmpOptimizer</span><span class="p">.</span><span class="nx">create</span><span class="p">();</span> <span class="nx">router</span><span class="p">.</span><span class="nx">get</span><span class="p">(</span><span class="s1">'/'</span><span class="p">,</span> <span class="p">(</span><span class="nx">req</span><span class="p">,</span> <span class="nx">res</span><span class="p">)</span> <span class="p">=></span> <span class="p">{</span> <span class="kr">const</span> <span class="nx">locals</span> <span class="o">=</span> <span class="p">{</span><span class="nx">title</span><span class="o">:</span> <span class="s1">'Express with AMP Optimizer'</span><span class="p">};</span> <span class="nx">res</span><span class="p">.</span><span class="nx">render</span><span class="p">(</span><span class="s1">'index'</span><span class="p">,</span> <span class="nx">locals</span><span class="p">,</span> <span class="nx">async</span> <span class="p">(</span><span class="nx">err</span><span class="p">,</span> <span class="nx">html</span><span class="p">)</span> <span class="p">=></span> <span class="p">{</span> <span class="kr">const</span> <span class="nx">optimizedHtml</span> <span class="o">=</span> <span class="nx">await</span> <span class="nx">ampOptimizer</span><span class="p">.</span><span class="nx">transformHtml</span><span class="p">(</span><span class="nx">html</span><span class="p">);</span> <span class="nx">res</span><span class="p">.</span><span class="nx">send</span><span class="p">(</span><span class="nx">optimizedHtml</span><span class="p">);</span> <span class="p">});</span> <span class="p">});</span> <span class="nx">module</span><span class="p">.</span><span class="nx">exports</span> <span class="o">=</span> <span class="nx">router</span><span class="p">;</span> </code></pre></div> <p> </p><div class="ap-m-tip"> <div class="ap-a-ico ap-m-tip-icon"> <svg><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#warning-sign"/></svg> </div> <div class="ap-m-tip-content"> certifique-se de configurar o cache ou um CDN quando usar o Otimizador AMP no servidor para evitar atrasos na renderização. </div> </div><p></p> <h2 id="configuração_1">Configuração</h2> <p>O Otimizador AMP fornece uma configuração default mínima que deve funcionar bem na maioria dos casos. No entanto, as transformações podem ser personalizadas para casos de uso específicos. Você encontra uma lista de todas as opções disponíveis <a href="https://github.com/ampproject/amp-toolbox/tree/main/packages/optimizer#options">aqui</a>.</p> <p>Algumas opções notáveis são:</p> <ul> <li><code>lts: true</code> para habilitar <a href="https://github.com/ampproject/amphtml/blob/main/docs/lts-release.md">URLs long-term stable <br> (LTS)</a> para o runtime AMP e componentes.</li> <li><code>verbose: true</code> para saídas de depuração detalhadas. Ideal para identificar os motivos pelos quais o boilerplate AMP não pôde ser removido.</li> <li><code>imageOptimizer</code>: habilita a geração automática do srcset da imagem, fornecendo uma função que calcula as URLs do srcset para um determinado src de imagem. A função deve retornar uma URL apontando para uma versão da imagem <code>src</code> com a largura fornecida. Se nenhuma imagem estiver disponível, ele retorna um valor falso. Mais sobre isto na próxima seção.</li> </ul> <h3 id="otimização-de-imagens">Otimização de imagens</h3> <p>Um Otimizador AMP pode gerar valores <code>srcset</code> para um determinado <code>amp-img</code> com base na sua definição de <code>layout</code>. Para que isto funcione, você precisa fornecer uma função que mapeie o <code>src</code> da imagem e uma <code>width</code> para um valor de <code>srcset</code> redimensionado. O redimensionamento da imagem não é executado pelo Otimizador AMP e precisa acontecer no momento do build (por exemplo, para sites estáticos) ou através de um serviço de hospedagem de imagem, como o <a href="https://github.com/thumbor/thumbor">thumbor</a>.</p> <p>Eis um exemplo de implementação que anexa a largura da imagem ao <code>src</code>:</p> <div class="-ta"><pre><span></span><code><span class="kr">const</span> <span class="nx">ampOptimizer</span> <span class="o">=</span> <span class="nx">AmpOptimizer</span><span class="p">.</span><span class="nx">create</span><span class="p">({</span> <span class="c1">// parameters are the amp-img `src` and the `width` of the to be generated srcset source value</span> <span class="nx">imageOptimizer</span><span class="o">:</span> <span class="p">(</span><span class="nx">src</span><span class="p">,</span> <span class="nx">width</span><span class="p">)</span> <span class="p">=></span> <span class="p">{</span> <span class="c1">// we cannot rename if the image does not have a file extension</span> <span class="kr">const</span> <span class="nx">index</span> <span class="o">=</span> <span class="nx">src</span><span class="p">.</span><span class="nx">lastIndexOf</span><span class="p">(</span><span class="s1">'.'</span><span class="p">);</span> <span class="k">if</span> <span class="p">(</span><span class="nx">index</span> <span class="o">===</span> <span class="o">-</span><span class="mi">1</span><span class="p">)</span> <span class="p">{</span> <span class="c1">// return null means we won't generate a srcset source value for this width</span> <span class="k">return</span> <span class="kc">null</span><span class="p">;</span> <span class="p">}</span> <span class="kr">const</span> <span class="nx">prefix</span> <span class="o">=</span> <span class="nx">src</span><span class="p">.</span><span class="nx">substring</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="nx">index</span><span class="p">);</span> <span class="kr">const</span> <span class="nx">postfix</span> <span class="o">=</span> <span class="nx">src</span><span class="p">.</span><span class="nx">substring</span><span class="p">(</span><span class="nx">index</span><span class="p">,</span> <span class="nx">src</span><span class="p">.</span><span class="nx">length</span><span class="p">);</span> <span class="k">return</span> <span class="sb">`</span><span class="si">${</span><span class="nx">prefix</span><span class="si">}</span><span class="sb">.</span><span class="si">${</span><span class="nx">width</span><span class="si">}</span><span class="sb">w</span><span class="si">${</span><span class="nx">postfix</span><span class="si">}</span><span class="sb">`</span><span class="p">;</span> <span class="p">};</span> <span class="p">})</span> </code></pre></div> <p>Usando esta implementação, o Otimizador AMP transformará as seguintes declarações de <code>amp-img</code>:</p> <div class="-ta"><pre><span></span><code><span class="c"><!-- Injects srcset for responsive layout --></span> <span class="p"><</span><span class="nt">amp-img</span> <span class="na">src</span><span class="o">=</span><span class="s">"image1.png"</span> <span class="na">width</span><span class="o">=</span><span class="s">"400"</span> <span class="na">height</span><span class="o">=</span><span class="s">"800"</span> <span class="na">layout</span><span class="o">=</span><span class="s">"responsive"</span> <span class="p">></</span><span class="nt">amp-img</span><span class="p">></span> <span class="c"><!-- Ignores existing srcset --></span> <span class="p"><</span><span class="nt">amp-img</span> <span class="na">layout</span><span class="o">=</span><span class="s">"fill"</span> <span class="na">srcset</span><span class="o">=</span><span class="s">"image-1x.png 1x,</span> <span class="s"> image-2x.png 2x"</span> <span class="p">></</span><span class="nt">amp-img</span><span class="p">></span> </code></pre></div> <p>em:</p> <div class="-ta"><pre><span></span><code><span class="c"><!-- Injects srcset for responsive layout --></span> <span class="p"><</span><span class="nt">amp-img</span> <span class="na">src</span><span class="o">=</span><span class="s">"image1.png"</span> <span class="na">width</span><span class="o">=</span><span class="s">"400"</span> <span class="na">height</span><span class="o">=</span><span class="s">"800"</span> <span class="na">layout</span><span class="o">=</span><span class="s">"responsive"</span> <span class="na">srcset</span><span class="o">=</span><span class="s">"image1.470w.png 470w, image1.820w.png 820w, image1.1440w.png 1440w"</span> <span class="p">></</span><span class="nt">amp-img</span><span class="p">></span> <span class="c"><!-- Ignores existing srcset --></span> <span class="p"><</span><span class="nt">amp-img</span> <span class="na">layout</span><span class="o">=</span><span class="s">"fill"</span> <span class="na">srcset</span><span class="o">=</span><span class="s">"image-1x.png 1x,</span> <span class="s"> image-2x.png 2x"</span> <span class="p">></</span><span class="nt">amp-img</span><span class="p">></span> </code></pre></div> <p> </p><div class="ap-m-tip"> <div class="ap-a-ico ap-m-tip-icon"> <svg><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#speech-bubble"/></svg> </div> <div class="ap-m-tip-content"> Ao utilizar <code>layout=responsive</code> use os atributos <code>width</code> e <code>height</code>para especificar as dimensões mínimas da imagem. Por exemplo, para uma imagem hero sem margens no celular, especifique a largura como <code>width=320</code>. </div> </div><p></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" 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class="nav-link" href="/pt_br/documentation/guides-and-tutorials/websites/start/add_advanced/congratulations/"> Congratulations! </a> </li> </ul> </li> </ul> </li> <li class="nav-item level-1"> <span class="nav-link"> <span>Aprender</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="/pt_br/documentation/guides-and-tutorials/websites/learn/amp-actions-and-events/"> Ações e eventos </a> </li> <li class="nav-item level-2"> <a class="nav-link" href="/pt_br/documentation/guides-and-tutorials/websites/learn/common_attributes/"> Atributos comuns </a> </li> <li class="nav-item level-2"> <span class="nav-link"> <span>Especificações de HTML para AMP</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="/pt_br/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="/pt_br/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="/pt_br/documentation/guides-and-tutorials/websites/learn/spec/amphtml/"> AMP HTML Specification </a> </li> <li class="nav-item level-3"> <a class="nav-link" href="/pt_br/documentation/guides-and-tutorials/websites/learn/spec/amp-boilerplate/"> Código AMP Boilerplate </a> </li> <li class="nav-item level-3"> <a class="nav-link" href="/pt_br/documentation/guides-and-tutorials/websites/learn/spec/release-schedule/"> Cronograma de lançamento do AMP </a> </li> </ul> 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trabalho de validação</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="/pt_br/documentation/guides-and-tutorials/websites/learn/validation-workflow/validation_errors/"> Erros de validação das AMP </a> </li> </ul> </li> <li class="nav-item level-2"> <span class="nav-link"> <span>Caches de AMP e 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="/pt_br/documentation/guides-and-tutorials/websites/learn/amp-caches-and-cors/amp-cors-requests/"> CORS in AMP </a> </li> <li class="nav-item level-3"> <a 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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="/pt_br/documentation/guides-and-tutorials/websites/develop/style_and_layout/"> <span>Estilo e layout</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="/pt_br/documentation/guides-and-tutorials/websites/develop/style_and_layout/style_pages/"> CSS compatível </a> </li> <li class="nav-item level-3"> <a class="nav-link" href="/pt_br/documentation/guides-and-tutorials/websites/develop/style_and_layout/control_layout/"> Consultas de mídia e layout </a> </li> <li class="nav-item level-3"> <a class="nav-link" href="/pt_br/documentation/guides-and-tutorials/websites/develop/style_and_layout/placeholders/"> Placeholders e fallbacks </a> </li> <li class="nav-item level-3"> <a class="nav-link" href="/pt_br/documentation/guides-and-tutorials/websites/develop/style_and_layout/art_direction/"> Responsive images with srcset, sizes & heights </a> </li> <li class="nav-item level-3"> <a class="nav-link" href="/pt_br/documentation/guides-and-tutorials/websites/develop/style_and_layout/responsive_design/"> Criar páginas AMP responsivas </a> </li> <li class="nav-item level-3"> <a class="nav-link" href="/pt_br/documentation/guides-and-tutorials/websites/develop/style_and_layout/custom_fonts/"> Add custom fonts </a> </li> </ul> </li> <li class="nav-item level-2"> <a class="nav-link" href="/pt_br/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="/pt_br/documentation/guides-and-tutorials/websites/develop/media_iframes_3p/"> Incluir imagens e vídeo </a> </li> <li class="nav-item level-3"> <a class="nav-link" href="/pt_br/documentation/guides-and-tutorials/websites/develop/media_iframes_3p/third_party_components/"> Include third-party content </a> </li> <li class="nav-item level-3"> <a class="nav-link" href="/pt_br/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="/pt_br/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 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