Here you can see the overall working status of the WordPress cache and do some operations if necessary. See below.
Here we can see the total amount of cached pages and occupied cache size. The data can be refreshed by pressing the corresponding button.
Note. The refreshing could take long time (several minutes) and its OK.
All posts are revalidated automatically if a relevant option is enabled. But sometimes it is needed to do it manually. The operation’s scope can also be chosen.
Just revalidates the cached data without erasing previously cached content that preserves minimal server loading. If the ‘Lazy revalidation’ is active, the content will be updated transparently to the user rather than the first user will have to wait for content updating and next users get previously cached version.
Performs error checking of HTML markup of any page by URL. Mostly it is used while troubleshooting particular pages on the site. As a result, the list of notices and warnings will be shown. The warnings mean that content might be processed incorrectly.