Title: “cache-enabler-engine” response header value Last modified: November 2, 2020 --- # “cache-enabler-engine” response header value * Resolved [Ashutosh](https://wordpress.org/support/users/ashubetta/) * (@ashubetta) * [5 years, 8 months ago](https://wordpress.org/support/topic/cache-enabler-engine-response-header-value/) * When I inspect the page response headers, I see one called * `x-cache-handler: cache-enabler-engine` * As per support docs, the value should be either “wp” or “php”, or no header at all for advanced setup. * I’m just wondering what `cache-enabler-engine` means. * Thanks! - This topic was modified 5 years, 8 months ago by [Ashutosh](https://wordpress.org/support/users/ashubetta/). - This topic was modified 5 years, 8 months ago by [Ashutosh](https://wordpress.org/support/users/ashubetta/). * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fcache-enabler-engine-response-header-value%2F%3Foutput_format%3Dmd&locale=en_US) to see the link]_ Viewing 3 replies - 1 through 3 (of 3 total) * Anonymous User 16850768 * (@anonymized-16850768) * [5 years, 7 months ago](https://wordpress.org/support/topic/cache-enabler-engine-response-header-value/#post-13773851) * This was changed when introducing the new cache engine in version 1.5.0. Cache Enabler only has one way to deliver the cache now instead of two, which means if `X-Cache-Handler: cache-enabler-engine` is present the Cache Enabler engine delivered the cache through the `advanced-cache.php` drop-in. * [Gulshan Kumar](https://wordpress.org/support/users/thegulshankumar/) * (@thegulshankumar) * [5 years, 7 months ago](https://wordpress.org/support/topic/cache-enabler-engine-response-header-value/#post-13797188) * Hi Corey * How do I know which one response is BYPASS, MISS, HIT? * I am using NGINX config. It shows * x-cache-handler: cache-enabler-engine * On random instance, I do not see this so I get confuse. * I also see … `