Outils

Instructions on how to optimize images with Thumbor. Thumbor is an open-source image CDN and can be used for free to resize, compress, and transform images.

Consider using an image CDN to optimize your site's images and reduce its data cost for your users.

GoReplay is an open-source tool for capturing and replaying live HTTP traffic into a test environment in order to continuously test your system with real data. It can be used to increase confidence...

Which one makes more sense to use, big and slow or small and fast? Especially with the same appearance and functionality, the youtube-lite component is a no-brainer.

All-in-one Website OSINT Scanner

check links in web documents or full websites. Contribute to linkchecker/linkchecker development by creating an account on GitHub.

EcoSonar, the ecodesign audit tool. Contribute to Accenture/EcoSonar development by creating an account on GitHub.

Web safe CSS font stacks and web fonts. Select, preview, and generate CSS and HTML for your font family.

You provide the semantics, we provides the interactivity. Turn data intended for search engines and social networks into useful functionality for visitors.

Ideas and techniques to effectively A/B test power consumption for your Android app’s features.

Front-end developers spend a significant amount of time working inside the browser’s DevTools. Likely just as much as they spend time writing code in the code editor. However, most developers barel…

3D DOM viewer, copy-paste this into your console to visualise the DOM topographically. - dom3d.js

Playwright Test Visual Studio Code integration. Contribute to microsoft/playwright-vscode development by creating an account on GitHub.

Introduction

Paul Calvano is a Performance Architect at Etsy, where he helps optimize the performance of their online marketplace.

L’annuaire de solutions et de clouders français

Partytown - Run third-party scripts from a web worker

Pa11y is your automated accessibility testing pal. Contribute to pa11y/pa11y development by creating an account on GitHub.

The 'Font Finder' extension is created for designers, developers and typographers. It allows a user to analyze the font information of any element on a page, copy any piece(s) of that information to the clipboard, and perform in-line replacements to test new layouts.