Periodic long response from the server while downloading, why?
The website sometimes long replies for some reason - long time to first byte, the rest is working fine, the speed of response does not exceed 500ms . Website is on shared hosting sprinthost one of the maximum tariffs. Caching is used w3total cache, but periodic freezes are not associated with the formation of a new cache of pages (tested with the lack of cache, and with the created cache), as well for site enabled Zend OPCache.
May be associated periodic hang?