"Your end goal should always be focused on your users and improving their experience."

"Hopefully the recommendations above give you some hard, quantitative data to help you pare down the options available. While they may be technical, they’re easy to find — and Dareboost does a good job of supplying tools, as well as tips and advice to help you understand the issues they’re highlighting."

"So, in conclusion, if you want to invalidate a script or other subresource, I would use the Iframe + POST technique today, which works in all browsers for both same-origin and cross-origin."

"Striking the right balance between security and user experience is undoubtedly a big challenge for both large enterprises and small businesses. Yet with a proper DEM solution in place, it doesn’t have to be quite so daunting."

Safari just landed Cache Storage API support, another step closer to PWAs on iOS

A quick look at Client Hints and Server Timing Headers for better performances and monitoring.

To successfully manage your website performance, you first have to adopt a reliable and rigorous measuring tool and then, identify and use a combination of several performance indicators, meeting your objectives. If you would have to keep a single one, It should be the Speed Index.

Nature, opportunités et risques autour de WebAssembly

• Always prefer classes
• Co-locate component code
• Use consistent class namespacing
• Maintain a strict mapping between namespaces and filenames
• Prevent leaking styles outside the component
• Prevent leaking styles inside the component
• Respect component boundaries
• Integrate external styles loosely

Mutating Web content using DOM Ranges

"The growing presence of Chinese companies will most likely initiate a new software evolution for the web through browsers, PWAs, search engines and geolocated services – and Google (Alphabet) is at the cutting edge of these four fields."

"Image compression is a biiiig subject, and we certainly haven’t covered every aspect of it here, but having discovered our preferred compression methods across each file type, these are the new guidelines for image compression at Kyan"

"In this article we have looked into using caching in order to enhance website performance. The enhanced performance will in turn lower operating costs for our websites and preserve our users’ flow, leading to a great user experience."

"There may be a lot of low-hanging fruit 🥝 affecting performance in areas you might not track very closely but are still very important."

Automating Your Accessibility Tests with aXe and pa11y

Web Content Accessibility Guidelines—for People Who Haven't Read Them

Sergey introduces a collection of design patterns for fast web sites http://www.speedpatterns.com/