"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/

Use a Fast DNS Provider ; Change TTL Values to Take Advantage of DNS Cache ; Reduce Number of Domains (hostnames) ; Use Alternative Services With Faster DNS ; Move and Host Resources on a CDN ; Take Advantage of DNS Prefetching ; Defer Loading of JavaScript ; Take Advantage of ANAME Records and CNAME Flattening

HTTP/2 has been designed from the ground up to address the inefficiencies of HTTP/1. Triggering a large number of requests in an HTTP/2 environment is no longer inherently bad for performance; transferring unnecessary data is.