Web performance advices

Discover how a specialist optimizes your applications' speed to improve conversion and productivity.

Improve the Largest Contentful Paint with image optimization tips, critical CSS and JS, and effective server strategies.

Speculation Rules allow the browser to preload pages before the click. Feedback on Rayban and CHANEL with measured LCP gains.

Some people cheat on web performance. How to detect cloaking and improve the experience of your real users.

INP replaces FID as a Core Web Vital. How to prepare for this update and optimize your site's interactivity.

Why and when to consult a web performance expert? How to choose the right partner to optimize your site.

Discover how April Moto went from a PageSpeed score of 40 to 99 thanks to a complete web performance optimization of its WordPress site.

YellowLabTools is an open-source web performance and quality tool. Discover how to use it to audit your site.

Modern image formats WebP and AVIF significantly reduce the weight of your pages. Complete guide.

Preloading resources speeds up the loading of your pages. Discover how to use preload effectively.

Cookie banners pose problems during performance testing. Discover how to bypass them for reliable measurements.