Add latest moving parts

Author: stedman

about.html

@@ -28,15 +28,16 @@ <h2>Meetings</h2>
       <h2>Excellence</h2>
       <p>We work hard to build a community of good natured and helpful people that treat each other with <em>excellence</em>. We’ve formalized what this means into our <a href="/code-of-conduct/">Code of Conduct</a>.</p>
 
-      <h2>Colophon</h2>
-      <p>Austin JavaScript is powered by &lt;surprise!&gt; JavaScript! This website is kept humming by a great many spectacular moving parts. Here are but a few:</p>
+      <h2 id="colophon">Colophon</h2>
+      <p>Austin JavaScript is powered by &lt;surprise&gt; JavaScript! This website is kept humming by a great many spectacular moving parts. Here are but a few:</p>
       <ul>
         <li>Static site generator: <a href="https://11ty.dev/">Eleventy (11ty)</a></li>
         <li>Templating language: <a href="https://liquidjs.com/">LiquidJS</a></li>
         <li>Image resizing/caching: <a href="https://11ty/eleventy-img/">@11ty/eleventy-img</a></li>
         <li>CSS framework: <a href="https://bulma.io/">Bulma</a></li>
-        <li>Stylesheet preprocessor: <a href="https://sass-lang.com/">Sass</a>, <a href="https://github.com/sass/node-sass">node-sass</a></li>
+        <li>CSS preprocessor: <a href="https://sass-lang.com/">Sass</a>, <a href="https://github.com/sass/node-sass">node-sass</a></li>
         <li>Icons: <a href="https://ionicons.com/">Ionicons</a></li>
+        <li>Cleanup and minification: <a href="https://purgecss.com/">PurgeCSS</a>, <a href="https://kangax.github.io/html-minifier/">HTMLMinifier</a></li>
         <li>JavaScript linting: <a href="https://eslint.org">ESLint</a>, <a href="https://www.npmjs.com/package/eslint-config-airbnb-base">Airbnb config</a></li>
         <li>Markdown linting: <a href="https://github.com/DavidAnson/markdownlint">MarkdownLint</a></li>
         <li>Source code versioning, CI/CD, web site hosting: <a href="https://github.com/austinjavascript/austinjavascript.com/">GitHub</a></li>