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First Byte Time
Cache static content
Effective use of CDN
Web Page Performance Test for
Dulles, VA -
Main-thread processing breakdown
Where the browser's main thread was busy, not including idle time waiting for resources (
Main-thread time breakdown
All of the main-thread activity including idle (waiting for resources usually) (
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First Interactive aka First CPU Idle Calculation
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TTFB of "-" for Repeat View