
Fiddler
Charles Proxy
Postman
Proxyman.io
Horangi
PracticeProtect
Intruder
Rapid7 MetaSploit
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.
Fiddler
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Charles Proxy - HTTP proxy / HTTP monitor / Reverse Proxy
GTmetrix - GTmetrix is a free tool that analyzes your page's speed performance. Using PageSpeed and YSlow, GTmetrix generates scores for your pages and offers actionable recommendations on how to fix them.
Postman - The Collaboration Platform for API Development
SpeedCurve - Monitor your front-end. Beat the competition
Proxyman.io - Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains.
PageSpeed Insights - PageSpeed is addon for ...