This extension is primarily aimed at web developers who need to verify the HTML of their sites to ensure compliance with Google's Webmaster Guidelines.
It is also useful for anyone curious about page content that is usually not visible but can reveal interesting properties of the site.
Features:
☆ Discover all the page metadata with just a click!
☆ Always know what is wrong or missing and how it can be fixed.
☆ Fix your site or analyze competitors.
☆ Easily copy meta tag values to your clipboard.
☆ Print or export reports.
☆ Translated into many languages.
☆ Free and constantly updated.
☆ Includes full JSON-LD structure.
Most of the advice will help address Core Web Vitals issues.
Alerts are shown when the metadata is not within certain ranges, for example, when the description tag is too short or too long.
To see the changelog please see https://www.omiod.com/meta-seo-inspector/