Weer
Surge for Mac
James
Charles Proxy
HTTP Headers
mitmproxy
Cellist
HTTP Analyzer
DebugBear
GTmetrix
SpeedCurve
PageSpeed Insights
WebPagetest
Request Metrics
Pingdom
SpeedVitals
Monitor the performance of your website and benchmark against the competition. Get alerted in Slack or by email when there's a problem.
Continuously test the speed of your website in a controlled lab environment and get in-depth reports to optimize your site. DebugBear is built on top of Lighthouse, but provides debug data that goes far beyond the basic Lighthouse report.
In addition to the lab data, DebugBear also keeps track of the real-user data collected by Google.
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