Frequent errors that may prevent a page from being indexed
Google doesn't hide the fact that full-page scanning is not a guarantee of it being indexed. Here are just some of the reasons why a page may not be added to the index:1. The site's content is uninteresting
to users and is rarely updated.2. Pages with a 404 error
. This means they have been deleted or do not exist at all. In this case, there is no need for indexing.3. Page duplication.
If there are identical pages on the site, you should use the canonical attribute or a 301 redirect.4. Technical issues with the site itself.
In this case, the system won't be able to conduct scanning. It's worth noting the issue with robots.txt. If Googlebot finds the file but can't access it, the site will be completely ignored.5. Crawling budget.
Googlebot scans only a certain number of pages on each site, and the exact number is unknown. Therefore, if there are many pages, the bot may not reach those with important content and may simply leave the site.