Google is going to make it easier to prep for the update with a new page experience report, which is available starting now in the Google Search Console. This report combines the existing Core Web Vitals report with other components of the page experience signals. It measures the percentage of URLs on your website that offer a good page experience based on the following factors:
Mobile Usability
In order to qualify for “Good” status, a URL must have zero mobile usability errors.
Security Issues
Any security issues on your website will disqualify all URLs from a “Good” status.
HTTPS Usage
A web page must be served over HTTPs rather than HTTP in order to obtain a “Good” status.
Ad Experience
Your website must not use advertising techniques that are overly distracting or interrupting for users. If it does, your site will be flagged as having a poor page experience.