Explains how performance metric variability can reveal real website issues like race conditions, not just measurement flaws.
A comprehensive guide to frontend monitoring techniques, tools, and implementation for developers to track performance, errors, and user experience.
Case study on YouTube's web optimization using preload and fetchpriority to improve FCP and LCP with a black poster image.
Tribune Publishing disabled Google AMP and saw higher revenue and user control, explaining why moving away from AMP was beneficial.
Summary of a conference talk on HTTP/3, covering its benefits, setup, and performance testing compared to HTTP/2.
A framework for engineering teams to improve web performance by focusing on management maturity, not just technical solutions.
A guide on using Cypress and the browser's Performance API to measure frontend performance, specifically timing modal window interactions.
Explains how lazy loading components can cause Cumulative Layout Shift (CLS) on slow connections and offers solutions to prevent it.
Explains how Core Web Vitals apply to Single-Page Applications (SPAs), highlighting measurement gaps and optimization strategies like SSR.
A summary of talks from a green-themed web performance meetup, focusing on how web developers can reduce their sites' environmental impact.
Explains survivorship bias in web performance, using examples like Project Feather to show how missing data from failed users skews metrics.
An independent web performance consultant explains the value they bring to organizations by focusing teams, sharing cross-client best practices, and driving measurable improvements.
A guide to configuring HTTP caching headers for web assets, covering best practices for versioned files, HTML, and cache invalidation.
Learn to write bash scripts for converting and optimizing images (JPG, PNG, WebP, SVG) from the command line to improve web performance.
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.
Philip Walton critiques the web performance community's over-reliance on synthetic metrics, arguing for more nuanced, real-world context in performance discussions.
A reflection on how Google's speed ranking signal shifted performance focus from business impact to SEO metrics.
Explains Google's Core Web Vitals (LCP, FID, CLS) for SEO, using GIFs to illustrate performance metrics and optimization causes.
Analysis of how fixing a minor checkout button issue at Olive Garden could boost revenue by millions, highlighting small UX changes at scale.
