Also note that the plugin is fully compatible with other caching layers, like the WordPress object cache. Keep in mind that most page caching plugins do not cache the “logged in” experience, anyhow. To the extent that sites blocked by this plugin should not need to concern themselves with high scale front end performance, we strongly recommend disabling any page caching solutions while restricting access to your site. While the plugin hooks in as early as it can to check visitor permissions, its important to understand that some page caching plugins generate static output that prevents plugins like Restricted Site Access from ever checking individual visitors. Most commonly, Restricted Site Access is not compatible with some page caching solutions. (It was moved there from a separate Privacy settings page in 3.5.) It’s not working! My site is wide open! Restricted Site Access settings are added to the Reading page, with WordPress’s built in site privacy options. FAQ Where do I change the restriction settings?

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