この拡張機能について

Speed Page measures the performance of a page for mobile devices and desktop devices. It fetches the url twice, once with a mobile user-agent, and once with a desktop-user agent.

Speed Page ranges from 0 to 100 points. A higher score is better and a score of 85 or above indicates that the page is performing well.

Speed Page will show you

Page stats
Leverage browser caching
Reduce server response time
Minified files and optimized images

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