Did you know you can automatically flush opcode caches like Redis when you publishing a post or page in WordPress? Doing so ensures you and your visitors see the newly created content immediately. No more stale / cached content in WP
Tag: OPcache
Clear PHP opcode caches before WordPress Updates: ease the updating process
In various hosting environments, WordPress core-, plugin- and theme updates sometimes fail because of enabled opcode caches. Popular PHP opcode caches are OPcache, WinCache and APC. This little WordPress Must Use Plugin tries to flush opcode caches. Making your live a bit easier when updating WordPress Core, Plugins and Themes.

How to optimize your WordPress hosting – 9+ practical tips
9+ Practical tips to optimize WordPress hosting, or any other PHP web application for that matter. Discover how this very blog has optimized its WordPress hosting environment and how you can too by optimizing MySQL, PHP and server configuration.
Binary webshell through OPcache in PHP 7
GoSecure wrote up a new PHP exploitation technique using the default OPcache engine from PHP 7. Using this attack vector, it’s possible to bypass certain hardening techniques that disallow the file write access in the web directory.

How to optimize PHP OPcache configuration
Tune PHP OPcache and make OPcache perform even better! After you’ve optimized realpath_cache_size, it’s time to fine-tune PHP OPcache. With just a few tweaks you can tune OPcache to make it perform much better, and here is how!

Custom PHP version on IIS Express and WebMatrix 3
PHP 7 with OPcache in IIS Express for Microsoft WebMatrix 3: learn how to create your own PHP development environment easily with Microsoft WebMatrix and IIS Express and your own custom PHP version. Note: this guide also applies to newer PHP versions, just change the version numbers. (outdated)

8 Tips to improve Joomla performance
Speed-up Joomla with just a few config settings: 8 Tips to improve Joomla performance. Add caching, gzip compression, set your sessions & optimize MySQL database functions… Provide your visitors with a blazing fast Joomla website!
PHP with WinCache on IIS
Learn how to install PHP on Windows Server IIS. With Windows Cache Extension for PHP (WinCache). WinCache enabled PHP gives you great performance for WordPress, Drupal and Joomla websites, and decreases CPU usage.