Simple Performance Bar
Simple site performance bar that presents network, server, client and pageload times
What is Simple Performance Bar?
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Other platforms
Summary
Using the Navigation Timing API, the Simple Performance Bar presents network, server, client and page load times as a group of easy to read bars fixed to the bottom of your browser. Each time your page loads, the Simple Performance Bar appears.
Network, server and client time calculations are found in the W3C Navigation Timing Draft ( https://dvcs.w3.org/hg/webperf/raw-file/tip/specs/NavigationTiming/Overview.html ). Network time is connectEnd minus navigationStart. Server time is responseEnd minus connectEnd. Finally, client time is loadEventEnd minus responseEnd.
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Safety
Risk impact
Simple Performance Bar is relatively safe to use as it requires very minimum permissions.
Risk likelihood
Simple Performance Bar has earned a fairly good reputation and likely can be trusted.
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