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Dev

Technical notes on WordPress, Shopify, PHP, JavaScript and the other tools I build with every day.

A phone with its website screen smeared and swirling in a dizzy motion blur, while the phone itself stays sharp

Dev log Accessibility Reduce motion: kinder animations for every visitor Site animation is nice, but it makes some people dizzy. Keep your motion, let people turn it off, and switch it off for anyone who asks. Here's how. October 28, 2026 7 min read

Dev log Security PHP2Shell explained: check and fix your PHP in plain English Two critical PHP bugs let attackers take over sites with no password. What happened in plain words, a checker for your PHP version, and how to fix it. October 23, 2026 27 min read

A fingertip tapping a big yellow Buy button on a touchscreen laptop, next to tiny menu links at the top of the page

Dev log Accessibility Touchscreen Macs are coming: make your site easy to tap Make every button, link and menu at least 44 px to tap, leave space between them, and never hide menus or details behind hover. Here's the CSS to do it. October 21, 2026 12 min read

A huge gold picture frame stuck in a narrow front door, with a small yellow parcel waiting on the doorstep

Dev log Performance Faster images, faster site: every trick, with examples Resize your images, save them as WebP or AVIF, lazy-load everything below the first screen, and let a CDN and caching deliver them. Here's how to do each one. October 18, 2026 10 min read

A wooden ruler with small paper flags clipped along it, three stacked at the top, one big lime flag below them and two waiting near the bottom

Dev log CSS Build a scroll ruler sidebar with letter-by-letter titles Section titles that ride a ruler and swing into place one letter at a time, rebuilt from the ArtCraft site with CSS and a short script. October 13, 2026 10 min read

Paper signposts around a small shop, all pointing to its one lime-green door

Dev log SEO & AI search Canonical URLs: fix duplicate pages for better SEO When one page opens at several addresses, a canonical tag tells Google which one is real. Here's how to set it up and test it on WordPress and Shopify. October 12, 2026 8 min read

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CSS code using anchor-name and position-anchor next to a menu whose lime pill slides under the hovered link

Dev log CSS CSS anchor positioning: move elements on hover, no JavaScript Give the hovered element an anchor-name, make another element follow it with position-anchor, and add a transition. It slides there, no JavaScript. October 6, 2026 8 min read

JavaScript code example from this post

Dev log Performance Core Web Vitals in plain English: LCP, INP and CLS What the three Core Web Vitals measure, the numbers that count as good, how to measure them on real visitors, and the fixes that help most on WordPress sites. September 25, 2026 5 min read

PHP code example from this post

Dev log Security Security headers for WordPress, without a plugin Five HTTP headers that close common holes in a WordPress site. The few lines of PHP I use to send them, and how to check they work. September 25, 2026 4 min read

CSS code example from this post

Dev log Accessibility WCAG 2.2: the nine new success criteria and how to meet them WCAG 2.2 added nine new rules and removed one. Here is what each new rule asks for, which ones count at level AA, and the code I use to meet them. September 25, 2026 6 min read

A robots.txt example for search and AI crawlers

Dev log SEO & AI search How AI search finds your site: crawlers, robots.txt and llms.txt AI answers start with a crawler. I explain which bots fetch your pages, which ones train models, and how I let AI search in without giving away content. September 25, 2026 5 min read