Cache Report

Drupal's caching settings 92%

Anonymous caching - Verify Drupal's anonymous page caching is enabled.

Anonymous caching is enabled.

Minimum cache lifetime - Verify that Drupal's minimum cache lifetime is set to never expire.

Minimum cache lifetime is set to 5 min.

Go to /admin/config/development/performance and set "Minimum cache lifetime" to none.
Expiration of cached pages - Verify that Drupal's cached pages last for at least 15 minutes.

Expiration of cached pages is set to 180 min.

Cached page compression - Verify that Drupal is set to compress cached pages.

Cached pages are compressed.

Aggregate and compress CSS files in Drupal - Verify that Drupal is aggregating and compressing CSS.

CSS aggregation and compression is enabled.

Aggregate JavaScript files in Drupal - Verify that Drupal is aggregating JavaScript.

JavaScript aggregation is enabled.

Lock API - Determine the default locking mechanism.

Using the default semaphore database table.

Consider using a dedicated API to a caching backend, such as redis or memcache.
Caching backends - Detail caching backends.

Using the database as a caching backend, which is less efficient than a dedicated key-value store.

Consider using a caching backend such as redis or memcache.
Default class - Determine the default cache class, used whenever no alternative is specified.

Using DrupalDatabaseCache.

Cache bins - Detail explicitly defined cache bins.

BinClass
cache_class_cache_ctools_cssCToolsCssCache