Website Mobile Friendly Test.
First, a website being mobile friendly is very important!
Hence, Google recently started to downrank sites that aren’t mobile friendly.
So how do you know if a page on your site is up to it?
Just enter the URL into the Google Mobile-Friendly Test Tool below.
You’ll get a simple yes or no answer from Google.
Google PageSpeed Insights
Second, You know Google uses your site’s loading speed as a ranking factor.
Google PageSpeed insights certainly tells you whether or not Google sees your site as lightning-fast or snail-slow.
As a result, it also hands you actionable suggestions that you can use to speed things up.
Google Search Console
Finally, Google Search Console is a suite of helpful tools straight from Google.
You can see if you have duplicate meta data, because that is most important.
How many pages you have indexed, and therefore any security issues and likewise any trouble.