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Aren’t AMP Caches committing copyright infringement?

How can mass-copying pages from web publishers without a license not be mass-copyright infringement? The weird copyright law exemption that enables AMP Caches.

Avoid Nginx’s merge_slashes option

Don’t use Nginx’s merge_slashes option in your HTTP reverse caching proxy setup. Here’s an example of an unintended problem caused by blindly rewriting URLs.

Problems to expect when using the Apache mod_cache module

Five implementation problems and gotchas when using Apache’s HTTP caching module. Learn how to keep your HTTPD caching proxy server from messing up.

CDNSun, KeyCDN, and BunnyCDN; budget CDNs compared

Compare three budget content delivery networks to find which one gets you the most bang for your bucks. Minimum pricing varies greatly.

Which CDN providers support stale-while-revalidate?

A quick review of which content delivery networks support RFC 5861’s Stale-While-Revalidate and Stale-If-Error caching directives.

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.

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.

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?

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.

Reduce the bandwidth requirements for keeping Fedora up to date

Tips on how to tweak Fedora Linux to reduce the bandwidth it consumes every month to keep your system stay up-to-date.

Best practices for syndication feed caching

Five best practices to reduce bandwidth requirements for feeds (Atom/RSS). Tips for reader and publisher implementations.

Syndication feed deltas help reduce subscription bandwidth costs

Feed delta updates strip away feed entries that the subscriber has already download and only transmits the update delta consisting of new entries.

The Vary HTTP response header explained

Learn about the HTTP Vary response header and its important role in HTTP content negotiation and caching. Vary is an important but little-known part of HTTP.

Cache-Control plugin for WordPress

Take control over your WordPress site’s HTTP Cache-Control response header directives with my easy-to-use WordPress plugin.