>>> [!note] Migrated issue <!-- Drupal.org comment --> <!-- Migrated from issue #2493801. --> Reported by: [mikeytown2](https://www.drupal.org/user/282446) >>> <p><a href="https://developers.google.com/speed/pagespeed/insights/?url=https%3A%2F%2Fwww.drupal.org%2Fproject%2Fdrupal">https://developers.google.com/speed/pagespeed/insights/?url=https%3A%2F%2Fwww.drupal.org%2Fproject%2Fdrupal</a></p> <p>To do:<br> AdvAgg - </p> <ul> <li><del>Update to AdvAgg 2.32</del></li> <li>Select jsmin+ on the JS Compression page</li> <li>Run `drush advagg-jsmin` after deployments to production; or run the batch operation from the UI</li> <li>Switch most AdvAgg settings to recommended</li> <li><del>Set the AdvAgg bundler to HTTP 2 settings</del></li> <li>Enable AdvAgg Critical CSS module</li> <li>Add Critical CSS via the Critical CSS page</li> </ul> <p>Other -</p> <ul> <li>Update nginx rules allowing for a 1 week cache of svg and jpg files under sites/all/themes/* as well as files/drupal-wordmark.svg</li> <li>Update apache rules to gzip svg files (see <a href="https://stackoverflow.com/a/21533084/125684">https://stackoverflow.com/a/21533084/125684</a>)</li> <li>Get <a href="https://github.com/addyosmani/critical/">https://github.com/addyosmani/critical/</a> up and running in a dev/staging environment OR use 3rd party service to generate critical css</li> </ul> <p>Done:</p> <ol> <li><del>Update AdvAgg to 2.10</del></li> <li><del>Aggressive Render Cache</del></li> <li><del>Enable <code>advagg_js_compress advagg_mod</code> modules</del></li> <li><del>Move all inline scripts to the bottom of the execution order &amp; Move all external scripts to the top of the execution order</del></li> <li><del>Update to 2.11 for <span class="drupalorg-gitlab-issue-link project-issue-status-info project-issue-status-7"><a href="https://www.drupal.org/project/advagg/issues/2499853" title="Status: Closed (fixed)">#2499853: Combine CSS files by using media queries caused issues on staging.devdrupal.org</a></span><del></del></del></li> <li><del>On <code>admin/config/development/performance/advagg</code>, 4th checkbox down has the "Use DNS Prefetch for external CSS/JS" checkbox</del></li> <li><del>Update to 2.13 for <span class="drupalorg-gitlab-issue-link project-issue-status-info project-issue-status-7"><a href="https://www.drupal.org/project/infrastructure/issues/2507737" title="Status: Closed (fixed)">#2507737: Theme missing on user profile Commits pages</a></span></del></li> <li><del>Combine CSS files by using media queries</del></li> <li><del>Enable advagg_bundler module</del></li> <li><del>Move JS to the footer - All but what is in the $all_in_footer_list.</del></li> <li><del>Update to 2.14</del></li> <li><del>Deferred JavaScript Execution: Add The defer Tag To All Script Tags - All but external scripts.</del></li> <li><del>Deferred inline JavaScript Execution: Put a wrapper around inline JS so it runs from a setTimeout call.</del></li> <li><del>Remove ajaxPageState CSS and JS data if ajax.js is not used on this page.</del></li> <li><del>Change CSS bundles from 4 to 2</del></li> <li><del>Change JS bundles from 4 to 5</del></li> <li><del>Use the connection view from webpagetest.org along with the Bundler and find the optimal number of bundles.<del></del></del></li> <li><del>Update AdvAgg to 2.15</del></li> <li><del>On the admin/config/development/performance/advagg/mod page; under "JS" -&gt; "Optimize JavaScript Ordering" -&gt; "Experimental Settings" check both boxes, " Move Google Analytics analytics.js code from inline to be a file" and "Prefetch stats.g.doubleclick.net/robots.txt".</del></li> <li><del>Update AdvAgg to 2.17</del></li> <li><del>Set bundler grouping logic to use filesize</del></li> </ol>