A plugin to clear recalcitrant caches from inside WP Engine

We’re using WP Engine to host various clients, notably the Rolling Stones site, and we’ve been very pleased with both the service and the performance of their hosting platform. There’s always something though, isn’t there? I don’t think I’d really be happy if there wasn’t. In this case it’s the fact the Varnish caching layer that sits between the site and the visitors caches “non-200” responses for 24 hours. So what does all that mean? What’s the actual problem here? Continue reading A plugin to clear recalcitrant caches from inside WP Engine