Most read ‘Hypertext’ articles
Weekly readership:
Open links force-opened in Microsoft Edge in your default browser
How to handle relative URLs with multiple forward slashes
Network speed testing apps on Windows 10: Ookla or Microsoft?
Latest ‘Hypertext’ articles
Safari’s default media controls get blocked when applying a Content-Security-Policy
I recently ran into an unexpected road block trying to deploy a Content-Security-Policy on a website that relied on the native media controls provided for the…
Getting yourself into trouble with NGINX caching reverse proxy and rewritten URLs
This story starts with two seemingly similar but distinctly different URLs: //document and /document. They’re semantically two distinct and unique URLs (RFC 386) and programs can’t…
Problems to expect with Apache mod_cache
The mod_cache module in the Apache HTTP Server (httpd) is a standard HTTP web cache that you can use to accelerate your website by caching dynamically…
Permanent redirects are supposed to be permanent
Every web developer should already be familiar with the ‘301 Moved Permanently’ redirect and maybe even the newer ‘308 Permanent Redirect’ status responses in HTTP. Did…
Recovering from HTTP clients that include URL #fragments in their requests
The web is an open place where all sorts of broken client implementations can roam free. In this article, I’ll walk you through how you can…
Which CDN providers support stale-while-revalidate?
Last week, I talked about the benefits of and how you can test for stale-while-revalidate support (RFC 5861). This week, I’ve done the testing for you.
How to test for HTTP stale-while-revalidate support?
stale-while-revalidate is a useful extension to the HTTP Cache-Control response header. The header instructs intermediary caches that they can fulfill requests by returning resources that have…
Save-Data aware HTTP/2 server push
Server initiated push is a new feature in HTTP/2 that can greatly improve page load performance by pushing critical resources to the client without requiring the…
Accelerate redirects with HTTP/2 server push
You can achieve low-latency responses to redirects with HTTP/2 by pushing the resource at the redirected location along with the response that informs the web browser…
How caching affects internet connectivity tests
Windows 8.1 and older did a better job of detecting “captive portals” (Wi-Fi networks that require logins) and determining whether the state of a computer’s internet…