2. Enter the URL of your web page. It does not have to be the root domainhomepage. Once the tool calculates the score and recommendations, you will see something like this:
What adding your root domainhomepage to the tool looks like
3. Note that by default you will receive performance scores for your mobile device. You can switch to desktop using the tabs in the upper left corner of the page:
What does the performance score look like for mobile devices?
To really understand how to use PageSpeed Insights, you need to know what everything you see means and how to interpret it.
Speed score
How Speed Score is Displayed
As mentioned above, the speed score is a color-coded algeria mobile database representation of a number of performance metrics that Lighthouse calculates together. It's a great, quick, but rough speed metric .
By itself, it’s not an in-depth measure of performance for the reasons we discussed earlier. Of the performance metrics measured, the worse your site’s load time is, the higher your speed score will be. Be sure to compare your speed scores on mobile and desktop.
Field data
Field data reports how the page has performed over the past 30 days
The "Field Data" report shows how the page performed over the past 30 days compared to other pages in the Chrome User Experience Report - a pool of performance metrics collected from a subset of users of the Google Chrome browser.