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Phil Wolstenholme

I'm a developer particularly focussed on accessibility and frontend web performance. Outside of work I'm interested in science, the environment, bouldering, and bikes.

Location Manchester, United Kingdom Joined Joined on  Personal website https://wolstenhol.me github website twitter website

Work

Lead frontend engineer at Co-op in the United Kingdom

Three Year Club
Writing Debut
Two Year Club
1 Week Community Wellness Streak
8 Week Writing Streak
4 Week Writing Streak
One Year Club
Building a maintenance page that brings your site back to life when it's ready

Building a maintenance page that brings your site back to life when it's ready

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4 min read

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Using Vercel's instant rollback feature in your own CI/CD pipeline

Using Vercel's instant rollback feature in your own CI/CD pipeline

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4 min read
Feature detecting support for CSS cascade layers with HTTP and edge functions

Feature detecting support for CSS cascade layers with HTTP and edge functions

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4 min read
What I've been reading (week 7, 2023)

What I've been reading (week 7, 2023)

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2 min read
What I've been reading (week 52, 2022)

What I've been reading (week 52, 2022)

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2 min read
Move a user's country to the top of a select element with Netlify Edge Functions and geolocation

Move a user's country to the top of a select element with Netlify Edge Functions and geolocation

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6 min read
What I've been reading (week 49, 2022)

What I've been reading (week 49, 2022)

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What I've been reading (week 48, 2022)

What I've been reading (week 48, 2022)

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What I've been reading (week 47, 2022)

What I've been reading (week 47, 2022)

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What I've been reading (week 45, 2022)

What I've been reading (week 45, 2022)

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What I've been reading (week 44, 2022)

What I've been reading (week 44, 2022)

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What I've been reading (week 43, 2022)

What I've been reading (week 43, 2022)

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What I've been reading (week 42, 2022)

What I've been reading (week 42, 2022)

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What I've been reading (week 41, 2022)

What I've been reading (week 41, 2022)

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What I've been reading (week 40, 2022)

What I've been reading (week 40, 2022)

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What I've been reading (week 39, 2022)

What I've been reading (week 39, 2022)

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Using a Netlify Edge Function to cut down on header bloat by removing HTML-only headers from static assets

Using a Netlify Edge Function to cut down on header bloat by removing HTML-only headers from static assets

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4 min read
Adding one centralised banner to a whole portfolio of websites via the power of 'the edge'

Adding one centralised banner to a whole portfolio of websites via the power of 'the edge'

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12 min read
Writing a Vite plugin to add lazyloaded critical CSS fallbacks for users with JavaScript disabled or unavailable

Writing a Vite plugin to add lazyloaded critical CSS fallbacks for users with JavaScript disabled or unavailable

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Show off your Lighthouse scores as static HTML in Eleventy with the PageSpeed Insights API

Show off your Lighthouse scores as static HTML in Eleventy with the PageSpeed Insights API

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5 min read
Problems with using useFakeTimers('modern') in a create-react-app (CRA) project with Jest 26 and Lodash's debounce function

Problems with using useFakeTimers('modern') in a create-react-app (CRA) project with Jest 26 and Lodash's debounce function

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Companies using utility-first CSS (like Tailwind) in production

Companies using utility-first CSS (like Tailwind) in production

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Accessible and animated expand/collapse components with Alpine.js and Tailwind CSS

Accessible and animated expand/collapse components with Alpine.js and Tailwind CSS

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7 min read
A small TailwindCSS plugin to emulate support for Flexbox gap in older Safari/iOS browsers

A small TailwindCSS plugin to emulate support for Flexbox gap in older Safari/iOS browsers

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2 min read
Using Style Dictionary to transform Tailwind config into SCSS variables, CSS custom properties, and JavaScript via design tokens

Using Style Dictionary to transform Tailwind config into SCSS variables, CSS custom properties, and JavaScript via design tokens

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Tying Tailwind styling to ARIA attributes

Tying Tailwind styling to ARIA attributes

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