Engineering5 min read
Actually respecting prefers-reduced-motion
How to respect prefers-reduced-motion across a full animation system, with a live comparison.
Quality guides
Accessibility & performance
Motion preferences, keyboard behaviour, native scrolling, resilient forms, and software built to last.
Accessibility and performance are properties of the whole system, not a checklist added before launch. These guides show the small implementation choices that keep interfaces usable under different inputs, preferences, and network conditions.
They also explain the tradeoffs behind choosing native browser behaviour and established tools when a more fashionable option would make the experience less reliable.
Guides in Accessibility & performance
Engineering5 min read
An accessible mobile menu: focus, scroll lock, and Escape
The three things a mobile nav overlay has to get right that most tutorials skip. Tap the icon below, then try pressing Escape.
Engineering5 min read
Why we don't use smooth-scroll libraries
Scroll hijacking is the reason your arrow keys and Page Down "randomly stop working" on some sites. Feel the difference between the two below.
Engineering4 min read
Why our contact form doesn't have a CAPTCHA
The honeypot field we actually ship instead — invisible to you, irresistible to a bot.
Process6 min read
Built to last
Why we default to boring, well-worn tools instead of whatever launched on Twitter last week — and the one time we don't.
Buyer guide14 min read
Website accessibility requirements for UK businesses
A practical buyer's guide to the Equality Act, WCAG, reasonable adjustments, procurement, testing and maintaining an accessible website.
Buyer guide13 min read
Core Web Vitals explained for business owners
Understand LCP, INP and CLS, the difference between field and lab data, commercial symptoms, priorities and questions for your web team.
Buyer guide14 min read
What technical SEO should be included in a website build?
A buyer's acceptance checklist for rendering, crawlability, metadata, redirects, structured data, performance, measurement and handover.
Design3 min read
The greys that look fine and measure badly
On a dark interface, the difference between readable and legally inadequate is invisible to the person choosing the colour.