Analysis of how modern, bloated websites perform poorly on low-end devices, despite high-speed internet connections.
Analysis of the COP28 website's poor web sustainability and performance, highlighting greenwashing through excessive page weight and unoptimized assets.
Explains why good Core Web Vitals scores don't guarantee a good user experience, arguing performance is about user goals, not just metrics.
A data-driven analysis revisiting the Performance Golden Rule, showing frontend still dominates page load time, with modern data from HTTP Archive.
Explains survivorship bias in web performance, using examples like Project Feather to show how missing data from failed users skews metrics.
Explores techniques to reduce the environmental impact and improve performance of social media embeds and widgets on websites.
A technical guide to optimizing hero videos on landing pages for faster load times and better UX, covering aspect ratios and layout shifts.
A comprehensive cheatsheet explaining key web performance metrics like LCP, FCP, and TTFB, based on a conference talk.
A guide to measuring daily Core Web Vitals using Google Analytics and external tools, bypassing the standard 28-day reporting window.
Explains Google's Core Web Vitals (LCP, FID, CLS) for SEO, using GIFs to illustrate performance metrics and optimization causes.
Article summarizes multiple studies showing how slow website performance increases user stress and frustration, impacting business metrics.
Summary of key announcements from Chrome Dev Summit 2020, focusing on Core Web Vitals and new CSS performance properties.
Analyzes how the number of DOM elements affects website performance, including style calculations, layout, and scrolling, with practical test results.
The article argues for rebranding 'web performance' to more specific terms like 'site speed' to improve communication and business buy-in.
Explores how to use the Save-Data header to optimize web performance without degrading user experience, with practical examples.
A guide to integrating Google Analytics reliably into a Webpack project using HTML partials, ensuring proper initialization and maintainability.
How to create a custom polyfill endpoint using polyfill-service to serve only necessary polyfills, improving performance and reducing bundle size.
The article explores how modern web bloat, like heavy CSS and JavaScript, makes websites unusable for people with slow, dialup-like internet connections.
Explains the six stages of the browser's Critical Rendering Path (CRP) and how understanding it is key to improving website performance.
Key takeaways from Velocity Europe on web performance measurement, focusing on flawed KPIs, user perception, and the pitfalls of gaming metrics.
