: What to use for rapid PageSpeed analysis — Google Insights or Chrome extension? Which score is most reliable (and complete) to use when comparing different sites and pages to get a quick idea

@Si4351233

The difference between the scores is simply the different methods that the score is compiled between accessing them on a web browser and accessing them on a Google server. On the Google server everything is tuned and purposed specifically for the task of performing speed tests whereas the browser plugin depends on the browser and operating system, every single different instance of which can vary greatly and can contribute to page speed issues which can't be accounted for through the plugin.

If all you are wanting is a very quick 5 second check of the speed or the site you are trying to check is hosted on the localhost or in a protected environment Googlebot doesn't have access to then use the plugin, but if you are after a more accurate and up to date assessment (PageSpeed Insights is updated live as opposed to the Chrome plugin which is updated by regular releases) then go for PageSpeed Insights.

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