Advice and answers from the Ahrefs Team

If a target site has not yet been visited by AhrefsBot, on-page related data such as Title, Content and its HTML source code are not available in our database, hence this explains why the Title in Best by links is shown as "Not visited by AhrefsBot yet"

Note that reports for Outgoing Links and Domain Health that depends on On-page data are also not available for the target site. On the other hand, Backlinks reports are available if the AhrefsBot has already visited other sites that contain links to the target site.

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