Hypertext - Ctrl blog (Page 2)

A female scientist wearing a lab coat and protective goggles looking into a big and bulky electronic device.

CDN

How to test for HTTP stale-while-revalidate support?

Verify that your CDN or caching proxy supports RFC 5861 asynchronous cache revalidation through the stale-while-revalidate HTTP response directive.

Two rocks decorated as people holding hands. One is labeled “HTTP/2 PUSH” and the other “Save-Data: on.”

Hypertext

Save-Data aware HTTP/2 server push

Learn how to set up HTTP Save-Data request-hint aware HTTP/2 server push with Apache HTTPD and Nginx web servers.

An illustration of a loading webpage receiving a bundle of two documents. The top document is titled “HTTP 301 Redirecting” and the one behind titled “HTTP 200”.

Hypertext

Accelerate redirects with HTTP/2 server push

Set up faster HTTP redirects by using HTTP/2 server push to send the new location in the same response informing the client about the redirect.

The Wi-Fi signal strength icon with a question mark.

HTTP Caching

How caching affects internet connectivity tests

An intermediary HTTP proxy-cache can interfere with how different devices detect whether they’ve got working internet access or not.

CDN

Embed a JavaScript CDN in your web browser with Decentraleyes

Browser extension mirrors popular JavaScript library content delivery networks locally to improve load-performance and your privacy.

Illustration showing two webpages. The first webpage is titled “Bugs” and contains some nondistinct text and a link. An arrow points from the first page to the second webpage. The arrow is…

Web Analytics

Private bug trackers leak data on security and other known issues

Many bug tracking software leak information about your organization’s security problems through HTTP referrer headers.

A photo of a colorful hot-air balloon cut in two down the middle. One side shows a high-quality image labeled “GET /image.jpeg”. The other side shows a lower-quality version labeled “GET…

Compression

New Save-Data HTTP header tells websites to reduce their data usage

The new HTTP Save-Data request header can help websites determine the bandwidth constraints of their visitors. Plus, a browser extension for users to adopt it.

Screenshots of Ookla Speedtest side-by-side with Microsoft Network Speed Test apps running network speed tests.

HTTP Caching

Windows network speed testing apps compared: Ookla or Microsoft?

Is the Microsoft Network Speed Test or Ookla Speed Test the best bandwidth-measuring and network testing app for your Windows device?

A smartphone showing an error message with a sad face and the message “Unable to connect to the proxy server”.

Apache HTTPD

How to use same Host header for origin and proxy in Apache mod_proxy

How to forward your front-end HTTP proxy server’s hostname (the HTTP Host request header) to your origin server using the Apache mod_proxy module.

A drop of water in the shape of a man impacting a water surface.

Hypertext

Always care for old links after moving domain and reorganizing URLs

Create a URL transition-plan and create redirects for old URLs. Take a few minutes to avoid losing traffic when you move domain names or reorganize your URLs.

A laptop screen showing an info message about the page being unavailable on the web; but suggests looking for it in the Internet Archive.

Browser Extensions

Navigate around dead links with the Wayback Machine browser extension

Experimental browser extension from Mozilla and the Internet Archive helps you find archived copies of dead links as you browse with Firefox.

Hypertext

EdgeDeflector enforces your default browser setting in Windows

EdgeDeflector stops Windows from forces-opening links in Microsoft Edge, and makes Windows respect the system-wide default web browser setting instead.