Coder Survival Guide

Autoptimize speeds up your website by optimizing JS, CSS, images (incl. lazy-load), HTML and Google Fonts, asyncing JS, removing emoji cruft and more.

On nous interroge souvent sur le ROI (return on investment / retour sur investissement) de l'évaluation de l'UX dans les projets, en conception ou en production. Ce billet reprend quelques chiffres clés concernant ce ROI et l'UX plus globalement. Comprendre la valeur de l'UX...

Thanks to mobile device and network proliferation, more people are using the web than ever before. As this user base grows, performance is more important than ever. In this article, find out why performance matters, and learn what you can do to make the web faster for everyone.

VPTCS : le modèle qualité Web, par Elie Sloïm et Eric Gateau Historique Le modèle VPTCS (Visibilité – Perception – Technique – Contenus – Services) est né entre 2000 et 2001 dans le cadre de travaux menés sur le site e-qualite.com. Après un premier article intitulé « Evaluation chronologique d’un site par ses utilisateurs » publié début […]

SQL Injection (SQLi) refers to an injection attack wherein an attacker can execute malicious SQL statements that control a web application’s database server.

A book series on JavaScript. @YDKJS on twitter. Contribute to getify/You-Dont-Know-JS development by creating an account on GitHub.

Bienvenue sur le site de Vittascience.

Next to eliminating unnecessary resource downloads, the best thing we can do to improve page-load speed is to minimize the overall download size by optimizing and compressing the remaining resources.

How to get the most out of caching without nasty race conditions

Three years ago, while I was a web developer at YouTube, one of the senior engineers began a rant about the page weight of the video watch page being far too large. The page had ballooned to as high as 1.2MB and dozens of requests. This engineer... | Chris Zacharias | Founder of imgix. YCombinator alum. Ex-YouTuber. Studied New Media at RIT.

In computer programming, a comment is a programmer-readable explanation or annotation in the source code of a computer program. They are added with the purpose of making the source code easier for humans to understand, and are generally ignored by compilers and interpreters. The syntax of comments in various programming languages varies considerably. Comments are […]

Official documentation for the "Performance Budgets" and "Keep Request Counts Low And File Sizes Small" Lighthouse audits.

Snyk helps you use open source and stay secure. Continuously find and fix vulnerabilities for npm, Maven, NuGet, RubyGems, PyPI and much more.

The best front-end performance optimization techniques to improve browser cache perceived performance for user experience and higher conversion rates

We're a group of established PHP projects whose goal is to talk about commonalities between our projects and find ways we can work better together.

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An illustrated guide to explain OAuth and OpenID Connect!

PHP_CodeSniffer tokenizes PHP, JavaScript and CSS files and detects violations of a defined set of coding standards. - squizlabs/PHP_CodeSniffer

The way we consume **open source software (OSS) dramatically changed** over the past decade or two. Flash back to the early 2000s, we mostly used large OSS projects from a small number of providers, such as Apache, MySQL, Linux and OpenSSL. These projects came from well-known software shops that maintained good development and quality practices. It wasn’t our code, but it felt trustworthy, and it was safe to assume it didn’t hold more bugs than our own code. Fast-forward to today and OSS has turned into crowd-sourced marketplaces. Node’s npm carries over 210,000 packages from over 60,000 co...

Quickly and easily assess the security of your HTTP response headers

Now that HTTP/2 is enjoying greater ubiquity than ever, it’s especially important to challenge the once unquestionable rule of resource bundling in client side performance. Join Stefan Baumga…

A professional front-end template for building fast, robust, and adaptable web apps or sites. - h5bp/html5-boilerplate

High performance and SEO friendly lazy loader for images (responsive and normal), iframes and more, that detects any visibility changes triggered through user interaction, CSS or JavaScript without...

by Sacha Greif The 12 Things You Need to Consider When Evaluating Any New JavaScript Library How do you know if a new technology is worth investing time into? For this year’s State of JavaScript survey [http://stateofjs.com/] I wanted to dig a little bit deeper, and not only know which tools and libraries people were using, but also why they were using them. Which means I had to find a way to translate personal preferences into cold, hard data. After some research, I came up with a 12-point

We are excited to introduce our newest video series: “Search For Beginners”! The series was created primarily to help new webmasters. It is also for anyone with an interest in Search or anyone who is still learning about the Web and how to manage their online presence.

10 ans après la création du RGAA - le référentiel général d’accessibilité des administrations, la direction interministérielle du numérique (DINSIC) publie sa quatrième version. Changement de nom, structure repensée, clarté améliorée, il est aussi renforcé par de nouvelles obligations et son champ d’application élargi à certains acteurs privés et à d’autres supports.

Looking for social media stats? Our global compilation of social network findings shows you the latest consumer adoption and usage figures.

Apollo 11, the JPEG, and yes, even the Roomba.