The two most important elements of this point are

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Pages with 4xx and 5xx error codes: these are pages with serious errors that must be resolved. 4XX (400,404, etc.) refer to errors on the website while 5XX (500,501, etc.) errors refer to server errors.

3XX: these indicate redirects such as 301, 302… With this you simply have to be cautious, it is not a question of whether there are or not but whether these URLs are indexed in Google and if it is really necessary to continue having this redirect active.

Only 3XX errors could be part of an SEO strategy, but anything that is a 4XX or 5XX error should be fixed quickly.

Canonicalization
This is a tag that prevents the problem with duplicate content, it is a simple HTML tag.


Many SEO experiments can be carried out with this tag if we saudi arabia mobile database combine it with other HTML tags that can benefit our positioning.


Normally you have a graph like this:

100% pages do not have AMP link - 0% have AMP link

Or what is the same, you do not have AMP configured on your domain.

Whether or not it's time to invest resources in setting up your domain for AMP is a strategic decision.

If your customers mostly reach you by smartphone, this should be a priority.

The truth is that Google is doing interesting things for AMP pages because it knows and has been saying for a long time that the future is in smartphones, as indicated by the modification of its algorithm “Google Mobile First Indexing Update”.

The ideal would be to see a graph like this:

0% pages do not have AMP link - 100% have AMP link

A little further up you have more information about “AMP pages have no canonical tag”

Sitemap vs. Crawled pages
This is a really interesting point when analyzing an SEO strategy, since not in all cases will the crawled URLs coincide with the URLs in our sitemap.

This is not negative by definition, but it is true that we have to be aware of this fact.