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

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

All URLs are found and accessible on tags of Web Pages

All found images are accessible

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

Success. <meta> description tag > 70 characters

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

No blocks on Google bot by <meta> tags detected

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

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

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

No redirects or multiple chaining redirects found linking to another page

No missing or blank <title> tag found

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

Success. <title> tag is > 20 characters