http://www.gnu.org/education/education.html

Success. <meta> description tag have length < 120 characters

No redirects or multiple chaining redirects found linking to another page

Success. <meta> description tag > 70 characters

Absence of nofollow attribute in <meta> tags of web pages allowed in robots.txt

All URLs are found and accessible on tags of Web Pages

Largest Contentful Paint (LCP) score based on content load time is normal (less than 2.5 secs)

No blocks on Google bot by <meta> tags detected

All externals URLs like images, pdf, etc. found and accessible on tags of the Web Pages

All found images are accessible

Success. <title> tag is > 20 characters

No missing or blank <title> tag found

All <img> (Image) tags found with alt attributes

Largest Contentful Paint (LCP) score based on largest content load time is normal (< 4 secs)

Absence of noindex attribute in <meta> tags of Web Pages allowed in robots.txt