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app.telemetry Page Speed Monitor 220.127.116.11-signed No Restart
Get the page load times of any web page! app.telemetry Page Speed Monitor shows offset and duration of each step during the page load based on W3C navigation timing.
About this Add-on
For more on the metrics, please see:
- Updated for compatibility with Firefox 38+.
- Reduced the size of the widget in the Firefox toolbar.
- Improved Compatibility with multiple browser windows.
- Reduced potential performance impact on Firefox