Xdebug 3 Profiling: 2. KCachegrind tour
Why the open web links it
Explains how to use KCachegrind to visualize and analyze Xdebug profiling data for PHP performance tuning.
Linked by 2 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including 1c-bitrix.ru, xdebug.org.