Fast page loading is so last year… you should be thinking about instant page loads! To give an experience where the load is not just “acceptable”, but completely unnoticeable, we need to look beyond just optimising our loading speeds and think about how we can completely hide that load delay from th
Thomas Allmer - Faster content websites via SSR and progressive hydration of Web Components
One of the best performance tips is "do less" - transmit less data and do less processing. There are a million details but we will focus on transmitting less...
NY WebPerf Sept '22 - Performance Mistakes - An HTTP Archive Deep Dive
Performance Mistakes …an HTTP Archive Deep Dive Performance Architect @Etsy Paul Calvano @paulcalvano https://httparchive.org 3 How the HTTP Archive Works ● ...
Performance Budgets: The Easiest Way to a Faster Site - Calibre
Until you set specific goals, it’s not clear what metric you want to improve, how you’ll do it, and who’s in charge of getting it there. Learn how to set performance budgets to meet and maintain your speed goals.
Will Serving Real HTML Content Make A Website Faster? Let's Experiment! - WebPageTest Blog
In this post, Scott runs WebPageTest Pro Experiments on several popular websites to see how serving more meaningful HTML will impact their upfront performance.
GIFs Without the .gif: The Most Performant Image and Video Options Right Now | CSS-Tricks
So you want an auto-playing looping video without sound? In popular vernacular this is the very meaning of the word GIF. The word has stuck around but the
Total Blocking Time: A Short and Sweet Guide for Happier Users - Calibre
Any delay longer than 50 milliseconds and visitors sense that a page is unresponsive. Tracking and reducing your page’s Total Blocking Time is vital to avoiding a poor user experience.
MemLab: An open source framework for finding JavaScript memory leaks
We’ve open-sourced MemLab, a JavaScript memory testing framework that automates memory leak detection. Finding and addressing the root cause of memory leaks is important for delivering a quality us…
How large DOM sizes affect interactivity, and what you can do about it
Large DOM sizes can be a factor in whether interactions are fast or not. Learn more about the relationship between DOM size and INP, and what you can do to reduce DOM size and other ways to limit rendering work when your page has lots of DOM elements.
Romuald Priol – Navigateur, metrics et outils – WLS 2021
La webPerf, c’est bien, mais en connaissant toutes les subtilités de la création de notre page c’est mieux \o/. Pendant 45 minutes, nous voyagerons à travers...
The impact of removing jQuery on our web performance
In this blog post, we explain the technical details of removing the jQuery library from GOV.UK’s public facing applications and the performance impact it had for our users.
Modern CSS rendering performance: The internals of web pages optimization In this talk, we demystify the browser’s rendering pipeline and explore the differe...