<div style="text-align:center"></div><div>
<p><a href="https://make.wordpress.org/core/2023/07/04/performance-chat-agenda-04-july-2023/">Meeting agenda here</a> and the full chat log is available <a href="https://wordpress.slack.com/archives/C02KGN5K076/p1688482778399099">beginning here on Slack</a>.</p>
<h2 class="wp-block-heading">Announcements</h2>
<ul>
<li>Welcome to our new members of <a href="http://wordpress.slack.com/messages/core-performance/">#core-performance</a></li>
<li>Many folks out today due to US 4 July holiday</li>
<li>Reminder of bug scrub tomorrow for a check on <a href="https://core.trac.wordpress.org/query?status=accepted&#038;status=assigned&#038;status=new&#038;status=reopened&#038;status=reviewing&#038;focuses=~performance&#038;milestone=6.3&#038;order=priority">6.3 issues</a></li>
<li>Early performance numbers on WP 6.3 beta is out: overall load time performance (represented by the “LCP” metric) sees a boost of a whopping <strong>~26% for block themes</strong> and <strong>~19% for classic themes</strong> [<a data-hasqtip="54" aria-describedby="qtip-54" href="https://wordpress.slack.com/archives/C02RQBWTW/p1688064403564499">see Slack post</a>]</li>
<li>For those that missed it, we have a special <a rel="noreferrer noopener" href="https://make.wordpress.org/core/2023/06/29/hallway-hangout-performance-improvements-for-wordpress-6-3/" target="_blank">Performance Improvements for WordPress 6.3 Hallway Hangout</a> scheduled on<strong> Thursday July 27 at 3:00pm UTC</strong></li>
<li>Reminder that <strong>Beta 4 </strong>is next week on July 11 for the <a href="https://make.wordpress.org/core/6-3/">6.3 release cycle</a></li>
</ul>
<h2 class="wp-block-heading" id="focus-group-updates">Priority Projects</h2>
<h3 class="wp-block-heading" id="images">Server Response Time</h3>
<p><a href="https://make.wordpress.org/performance/roadmap-2023/#category-server-response-time">Link to roadmap projects</a></p>
<p>Contributors: <a href="https://profiles.wordpress.org/joemcgill/" class="mention"><span class="mentions-prefix">@</span>joemcgill</a> <a href="https://profiles.wordpress.org/spacedmonkey/" class="mention"><span class="mentions-prefix">@</span>spacedmonkey</a> <a href="https://profiles.wordpress.org/aristath/" class="mention"><span class="mentions-prefix">@</span>aristath</a></p>
<ul>
<li><a href="https://profiles.wordpress.org/spacedmonkey/" class="mention"><span class="mentions-prefix">@</span>spacedmonkey</a> Mostly been supporting the beta release. I have also validated the number that Felix got, we are massively in the green for performance improves in WP 6.3
<ul>
<li>While profiling, I did find this, <a rel="noreferrer noopener" href="https://core.trac.wordpress.org/ticket/58682" target="_blank">https://core.trac.wordpress.org/ticket/58682</a> wp_trim_excerpt parses and renders blocks twice</li>
<li>TLDR, excerpts are parsing blocks twice, which is really bad. I will look into that ticket in WP 6.4, as it has been a problem since 5.0. Only noticed now other performance has improved.</li>
</ul>
</li>
</ul>
<h3 class="wp-block-heading" id="images">Database Optimization</h3>
<p><a href="https://make.wordpress.org/performance/roadmap-2023/#category-database-optimization">Link to roadmap projects</a></p>
<p>Contributors: <a href="https://profiles.wordpress.org/aristath/" class="mention"><span class="mentions-prefix">@</span>aristath</a> <a href="https://profiles.wordpress.org/spacedmonkey/" class="mention"><span class="mentions-prefix">@</span>spacedmonkey</a> <a href="https://profiles.wordpress.org/olliejones/" class="mention"><span class="mentions-prefix">@</span>olliejones</a> </p>
<ul>
<li><a href="https://profiles.wordpress.org/spacedmonkey/" class="mention"><span class="mentions-prefix">@</span>spacedmonkey</a> working on dev notes, here are some early drafts:
<ul>
<li><a href="https://docs.google.com/document/d/131Eq-Wn_AiZF2X74Vy4FxSPWHIvdtwmBzd_EP0brJPU/edit#heading=h.5s5pvzw0dvwa">Improves metadata api in WordPress 6.3</a></li>
<li><a href="https://docs.google.com/document/d/1nBCiXyeGczuU4WhPUx30ITL7jxL3nj2CIGudQ1M6470/edit#heading=h.mlz7738cj4sw">Improves to the Caching API in WordPress 6.3</a></li>
</ul>
</li>
</ul>
<h3 class="wp-block-heading" id="object-caching">JavaScript &#038; CSS</h3>
<p><a href="https://make.wordpress.org/performance/roadmap-2023/#category-javascript-css">Link to roadmap project</a></p>
<p>Contributors: <a href="https://profiles.wordpress.org/mukesh27/" class="mention"><span class="mentions-prefix">@</span>mukesh27</a> <a href="https://profiles.wordpress.org/10upsimon/" class="mention"><span class="mentions-prefix">@</span>10upsimon</a> <a href="https://profiles.wordpress.org/adamsilverstein/" class="mention"><span class="mentions-prefix">@</span>adamsilverstein</a> <a href="https://profiles.wordpress.org/westonruter/" class="mention"><span class="mentions-prefix">@</span>westonruter</a></p>
<ul>
<li><a href="https://profiles.wordpress.org/spacedmonkey/" class="mention"><span class="mentions-prefix">@</span>spacedmonkey</a> Related to emoji loader, this was committed a couple of days ago – <a rel="noreferrer noopener" href="https://github.com/WordPress/wordpress-develop/commit/12b9023e2ade3496bbcf119fe9d0e89f75b31e5b" target="_blank">https://github.com/WordPress/wordpress-develop/commit/12b9023e2ade3496bbcf119fe9d0e89f75b31e5b</a></li>
</ul>
<h3 class="wp-block-heading" id="measurement">Images</h3>
<p><a href="https://make.wordpress.org/performance/roadmap-2023/#category-images">Link to roadmap projects</a></p>
<p>Contributors: <a href="https://profiles.wordpress.org/flixos90/" class="mention"><span class="mentions-prefix">@</span>flixos90</a> <a href="https://profiles.wordpress.org/thekt12/" class="mention"><span class="mentions-prefix">@</span>thekt12</a> <a href="https://profiles.wordpress.org/adamsilverstein/" class="mention"><span class="mentions-prefix">@</span>adamsilverstein</a> <a href="https://profiles.wordpress.org/joemcgill/" class="mention"><span class="mentions-prefix">@</span>joemcgill</a></p>
<ul>
<li><a href="https://profiles.wordpress.org/spacedmonkey/" class="mention"><span class="mentions-prefix">@</span>spacedmonkey</a> I did some testing on the lazy loading / fetchpriority changes. I found some places where these were not working:
<ul>
<li><a rel="noreferrer noopener" href="https://core.trac.wordpress.org/ticket/58680" target="_blank">https://core.trac.wordpress.org/ticket/58680</a> Header image does not add fetch priority attribute</li>
<li><a rel="noreferrer noopener" aria-describedby="qtip-179" href="https://core.trac.wordpress.org/ticket/58681" target="_blank">https://core.trac.wordpress.org/ticket/58681</a> No lazy loading attribute on images in gallery</li>
<li><a rel="noreferrer noopener" href="https://core.trac.wordpress.org/ticket/58704" target="_blank">https://core.trac.wordpress.org/ticket/58704</a> Image widget images do not support fetch priority or async</li>
<li>I would say that header images (used by many core themes) and gallery shortcodes are pretty big issues that I would love to see fix in the WP 6.3 release cycle</li>
</ul>
</li>
</ul>
<h3 class="wp-block-heading" id="javascript">Measurement</h3>
<p><a href="https://make.wordpress.org/performance/roadmap-2023/#category-measurement">Link to roadmap projects</a></p>
<p>Contributors: <a href="https://profiles.wordpress.org/adamsilverstein/" class="mention"><span class="mentions-prefix">@</span>adamsilverstein</a> <a href="https://profiles.wordpress.org/olliejones/" class="mention"><span class="mentions-prefix">@</span>olliejones</a> <a href="https://profiles.wordpress.org/joemcgill/" class="mention"><span class="mentions-prefix">@</span>joemcgill</a> <a href="https://profiles.wordpress.org/mukesh27/" class="mention"><span class="mentions-prefix">@</span>mukesh27</a> <a href="https://profiles.wordpress.org/swissspidy/" class="mention"><span class="mentions-prefix">@</span>swissspidy</a></p>
<ul>
<li><a href="https://profiles.wordpress.org/swissspidy/" class="mention"><span class="mentions-prefix">@</span>swissspidy</a> I started looking into making the performance testing environment reusable. Nothing concrete to share yet though</li>
</ul>
<h3 class="wp-block-heading">Ecosystem Tools</h3>
<p><a href="https://make.wordpress.org/performance/roadmap-2023/#category-ecosystem-tools">Link to roadmap projects</a></p>
<p>Contributors: <a href="https://profiles.wordpress.org/joegrainger/" class="mention"><span class="mentions-prefix">@</span>joegrainger</a> <a href="https://profiles.wordpress.org/mukesh27/" class="mention"><span class="mentions-prefix">@</span>mukesh27</a></p>
<ul>
<li><a href="https://profiles.wordpress.org/mukesh27/" class="mention"><span class="mentions-prefix">@</span>mukesh27</a> and <a href="https://profiles.wordpress.org/joegrainger/" class="mention"><span class="mentions-prefix">@</span>joegrainger</a> are currently prioritizing tasks for Milestone 2 of the <a rel="noreferrer noopener" href="https://github.com/10up/plugin-check/" target="_blank">Plugin Checker</a>. Progress can be seen on the <a rel="noreferrer noopener" href="https://github.com/10up/plugin-check/" target="_blank">GitHub repo</a> here. Feel free to take a look and leave any thoughts/ideas you may have in the repo.
<ul>
<li>If anyone has some spare time, please consider conducting a code review for the pending PRs. This will help us move forward with the process. Thanks.</li>
<li><a target="_blank" href="https://github.com/10up/plugin-check/issues/83" rel="noreferrer noopener">Plugin checker developer documentation</a> #83</li>
<li><a target="_blank" href="https://github.com/10up/plugin-check/issues/203" rel="noreferrer noopener">Require every check to have a category</a> #203</li>
<li><a target="_blank" href="https://github.com/10up/plugin-check/issues/205" rel="noreferrer noopener">Write more comprehensive </a><code>README.md</code><a target="_blank" href="https://github.com/10up/plugin-check/issues/205" rel="noreferrer noopener"> with information on project overview, features, getting started</a> #205</li>
<li><a target="_blank" href="https://github.com/10up/plugin-check/issues/210" rel="noreferrer noopener">CLI Command shows critical error</a> #210</li>
<li><a target="_blank" href="https://github.com/10up/plugin-check/issues/218" rel="noreferrer noopener">Remove </a><code>Check this plugin</code><a target="_blank" href="https://github.com/10up/plugin-check/issues/218" rel="noreferrer noopener"> action link from Drop-ins and MU Plugins</a> #218</li>
</ul>
</li>
</ul>
<h3 class="wp-block-heading" id="infrastructure">Creating Standalone Plugins</h3>
<p><a href="https://github.com/WordPress/performance/issues/656">Link to GitHub overview issue</a></p>
<p>Contributors: <a href="https://profiles.wordpress.org/flixos90/" class="mention"><span class="mentions-prefix">@</span>flixos90</a> <a href="https://profiles.wordpress.org/mukesh27/" class="mention"><span class="mentions-prefix">@</span>mukesh27</a> <a href="https://profiles.wordpress.org/10upsimon/" class="mention"><span class="mentions-prefix">@</span>10upsimon</a></p>
<ul>
<li><a href="https://profiles.wordpress.org/clarkeemily/" class="mention"><span class="mentions-prefix">@</span>clarkeemily</a> we have received a response from the Plugin Review team on the Dominant Color Images plugin and have some feedback to review. They found an issue that we are unable to replicate, so we are in the process of liaising with the Plugin Review team on this</li>
</ul>
<h1 class="wp-block-heading">Open Floor</h1>
<ul>
<li><a href="https://profiles.wordpress.org/spacedmonkey/" class="mention"><span class="mentions-prefix">@</span>spacedmonkey</a> Do we have a list of all the tickets that we want to have dev notes for?
<ul>
<li><a href="https://profiles.wordpress.org/clarkeemily/" class="mention"><span class="mentions-prefix">@</span>clarkeemily</a> I’m not aware of a specific list. We could work on collating one though if folks think it’s helpful</li>
<li><a href="https://profiles.wordpress.org/clarkeemily/" class="mention"><span class="mentions-prefix">@</span>clarkeemily</a> I know <a href="https://profiles.wordpress.org/10upsimon/" class="mention"><span class="mentions-prefix">@</span>10upsimon</a> is working on one for <a rel="noreferrer noopener" href="https://core.trac.wordpress.org/ticket/12009" target="_blank">Add support for HTML 5 “async” and “defer” attributes</a> and <a href="https://profiles.wordpress.org/flixos90/" class="mention"><span class="mentions-prefix">@</span>flixos90</a> is working on one for lazy loading and fetchpriority</li>
<li><a href="https://profiles.wordpress.org/mukesh27/" class="mention"><span class="mentions-prefix">@</span>mukesh27</a> As per <a rel="noreferrer noopener" href="https://core.trac.wordpress.org/query?status=accepted&#038;status=assigned&#038;status=closed&#038;status=new&#038;status=reopened&#038;status=reviewing&#038;keywords=~needs-dev-note&#038;focuses=~performance&#038;milestone=6.3&#038;col=id&#038;col=summary&#038;col=status&#038;col=focuses&#038;col=owner&#038;col=type&#038;col=priority&#038;order=priority" target="_blank">report</a> 19 tickets need dev notes</li>
<li><a href="https://profiles.wordpress.org/spacedmonkey/" class="mention"><span class="mentions-prefix">@</span>spacedmonkey</a> I have 4 dev notes planned</li>
</ul>
</li>
<li><a href="https://profiles.wordpress.org/mukesh27/" class="mention"><span class="mentions-prefix">@</span>mukesh27</a> For the performance aspect, do we have only one developer note or are there multiple developer notes related to it?
<ul>
<li><a href="https://profiles.wordpress.org/clarkeemily/" class="mention"><span class="mentions-prefix">@</span>clarkeemily</a> My understanding is multiple, and there will be blog posts about a holistic review of 6.3 performance</li>
<li><a href="https://profiles.wordpress.org/spacedmonkey/" class="mention"><span class="mentions-prefix">@</span>spacedmonkey</a> noted that <a href="https://profiles.wordpress.org/flixos90/" class="mention"><span class="mentions-prefix">@</span>flixos90</a> is looking into a retro for WP 6.3. That will cover some of the other ticket that do not need dev notes but had an impact. We don’t normally write a dev note for things we just made faster under the hood.</li>
<li><a href="https://profiles.wordpress.org/spacedmonkey/" class="mention"><span class="mentions-prefix">@</span>spacedmonkey</a> If anyone else has anything they think we should call out in docs or write dev notes, please reach out on this channel.</li>
</ul>
</li>
</ul>
<p><strong>Our next chat will be held on <a href="https://www.timeanddate.com/worldclock/fixedtime.html?iso=20230711T1500"><abbr class="date" title="2023-07-11T15:00:00+00:00">Tuesday, July 11, 2023 at 15:00 UTC</abbr></a> in the <a href="https://wordpress.slack.com/messages/core-performance/">#core-performance channel</a> in <a href="https://make.wordpress.org/chat/">Slack</a>.</strong></p>
<p class="o2-appended-tags"><a href="https://make.wordpress.org/core/tag/core-performance/" class="tag"><span class="tag-prefix">#</span>core-performance</a>, <a href="https://make.wordpress.org/core/tag/performance/" class="tag"><span class="tag-prefix">#</span>performance</a>, <a href="https://make.wordpress.org/core/tag/performance-chat/" class="tag"><span class="tag-prefix">#</span>performance-chat</a>, <a href="https://make.wordpress.org/core/tag/summary/" class="tag"><span class="tag-prefix">#</span>summary</a></p>
</div>

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