The Speed Trifecta: 11ty, Brotli 11, and CSS Fingerprinting
In this post I bring two previous blog posts together to create the perfect CSS setup for my little blog.
Tagged “webperf”
Remove Subresource Integrity (SRI) from the GOV.UK assets domain
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.
Enabling HTTP/2 on GOV.UK
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 repository, and enabled in June 2020.
Enabling Brotli compression on GOV.UK
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.
Enabling HTTP/3 on GOV.UK
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, and as of 11th Jan 2024 it has now been enabled!
How to use WebPageTest's Graph Page Data view
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.
Setting up Cloudflare Workers for web performance optimisation and testing
A step by step guide on how to get started with using Cloudflare Workers for web performance optimisation.
Cloudflare Worker recipes for frontend performance testing
Cloudflare Workers are an awesome tool for rapid prototyping and observing web performance changes, here are a few recipes you may find useful.
Testing priority hints with WebPageTest
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.
Using Puppeteer and Squoosh to fix the web performance of embedded tweets
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?
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