This is an RFC I wrote to persuade the GOV.UK Senior Technology team to remove Subresource Integrity (SRI) from GOV.UK's assets being served from the assets domain and allow for greater HTTP/2 performance.
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Feed dedicated to the random web developerment thoughts of Frontend developer, Matt Hobbs. Posts 99% related to either frontend development or web performance.
This is an RFC I wrote to persuade the GOV.UK Senior Technology team to enable Brotli compression on GOV.UK. It was accepted and merged into the repo, and enabled in March 2021.
This is an RFC I wrote to persuade the GOV.UK Senior Technology team to enable HTTP/2 on GOV.UK. It was accepted and merged into the repo, and enabled in June 2020.
This is an RFC I wrote to persuade the GOV.UK Senior Technology team to enable HTTP/3 on GOV.UK. It was accepted and merged into the repo, but the cogs in government are slow and as of Sept '23 it has yet to be enabled.
I've finally had time to clean up some tech debt, so I migrated this blog onto Netlify fronted by Cloudflare and fixed the web performance issues I spotted.
Wednesday 21st April 2021 was a day like no other. This certainly isn't my usual web performance related blog post!
The 'Graph Page Data' view is a one of those WebPageTest features that is hidden in plain sight. So lets shine a light on it and see what it can do.
A step by step guide on how to get started with using Cloudflare Workers for web performance optimisation.
Cloudflare Workers are an awesome tool for rapid prototyping and observing web performance changes, here are a few recipes you may find useful.
Priority hints may be on hold, but you can still enable them and investigate what they can do. And in one instance I found a nice set of improvements to visual metrics.
Twitter embeds are bad for web performance. They cause so many extra requests, and a huge amount of data added to a page, so how can we fix it?
It's important to remember staff members are users too, so optimise your internal tools for performance for more productive and less stressed workforce! Here are some tools and resources to help you out.