I checked with my host. They've confirmed that the Apache Expires Module is enabled. I've disabled all other performance-based plugins, clear all of my cookies and caches but the following error persists (see attached screenshot). Any ideas?
That's right! A WPMU DEV membership gives you access to 100+ premium plugins & themes, 24/7 WordPress support, a whole bunch of cool services and a private community of awesome WordPress developers.
Try a WPMU DEV membership today, completely for free, no obligation!
Awesome! Let’s get you set up with your free month