Analysis of key web performance trends for 2021, including Core Web Vitals, third-party optimization, and edge computing.
Explains why Google Fonts no longer offers caching performance benefits due to browser cache partitioning, advocating for self-hosting fonts.
Explains why website performance should be treated as a permanent feature, not a one-time project, using analogies from elite sports and the YouTube Feather case study.
Analyzes Google's Core Web Vitals and other page speed metrics, explaining how to choose and correlate them with business outcomes.
Data-driven analysis showing how website speed directly impacts bounce rates, conversion rates, and revenue.
A developer analyzes a third-party widget causing severe performance issues, blocking the main thread for 2.5s on a high-end laptop and 48.6s on a low-end Android device.
A guide to implementing Hugo's image processing features to optimize images, improve site performance, and fix lazy loading issues.
Analyzes how the number of DOM elements affects website performance, including style calculations, layout, and scrolling, with practical test results.
A guide to efficiently loading Google Fonts using resource hints, respecting users' data plans by conditionally loading fonts based on Data Saver settings.
Analysis of Chrome's Save-data client hint, exploring global opt-in rates, user demographics, and technical implementations for data-saving web experiences.
A technical guide on measuring web performance when cookie consent popups are present, covering synthetic testing and RUM tools.
Explores why network requests can sometimes be faster than retrieving cached resources, analyzing browser performance data and the Firefox RCWN feature.
The article argues for rebranding 'web performance' to more specific terms like 'site speed' to improve communication and business buy-in.
Analyzes the performance cost of popular JavaScript frameworks like React, Vue, and Angular using HTTP Archive data.
A developer explores native lazy loading for images in HTML, discussing its benefits for performance and data savings, while considering potential drawbacks.
A developer explores Google Fonts subsetting to reduce font file sizes, sharing performance tests and results from implementing it on a website.
A developer discusses building a simple, pragmatic front-end framework for team efficiency, balancing ease of use with flexibility and modularity.
Andy shares how switching to Netlify's nameservers dramatically improved his site's time to first byte, with a Web Page Test report.
A look at six emerging web performance technologies for 2020, focusing on practical improvements beyond hype around 5G and HTTP/3.
Explores how to use the Save-Data header to optimize web performance without degrading user experience, with practical examples.
