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wikimedia performance wikimedia performance documentation blog grafana home frontend backend grafana dashboards flame graphs autonomous systems wikimedia performance wikimedia performance provides tools to analyze and improve the site performance of wikipedia we do this through a combination of live instrumentation continuous monitoring and debug profiling frontend navigation timing we collect real user monitoring rum metrics from page views such as page load time network latency and first paint sliced by region and device type google web vitals rum metrics collected by us and categorized using google s thresholds for good need improvement and poor cpu benchmark shine a light on what kind of devices wikpedia readers use compare device speed of mobile phones and desktop between different countries synthetic tests monitor frontend performance from a controlled lab environment using webpagereplay and browsertime provides a high level of detail in recording and profiling crux report keep track of how wikipedia is doing from the point of view of google search through metrics google collects from chrome users as report insights into the effective performance of internet providers around the world you can find a full list of dashboards in grafana that plot other aspects of frontend performance backend flame graphs aggregate flame graphs of sampled stack traces from live mediawiki requests reported daily and hourly sliced by entry point request profiling high resolution flame graphs on a per request basis with excimer ui accessible via the wikimediadebug browser extension xhgui profiling analyze a given request with xhgui to obtain an accurate call tree call count and memory usage accessible via the wikimediadebug browser extension pageview timing backend latency from the mediawiki application when responding to page views save timing the overall time to process an edit in mediawiki with a break down by entry point page type and user type refer to wikitech for more tools and lower level statistics of backend application performance documentation blog grafana made with by wikimedia performance at wikimedia foundation latest blog posts web perf hero máté szabó flame graphs arrive in wikimediadebug around the world how wikipedia became a multi datacenter deployment perf matters at wikipedia in 2020