The only option for bulk analysis currently available at Ahrefs is our Batch Analysis tool: it can help you quickly compare the metrics of up to several hundred URLs or domains at a time. 

The detailed data on backlinks is not available with this tool: it will only provide you with the general stats (number of backlinks and referring domains, social metrics, URL Ratings and Domain Ratings, and number of links by type):

Detailed backlinks reports are available using our Site Explorer tool: but in this case, you will have to manually submit each site for analysis one by one since Site Explorer has no option for bulk analysis.

It is to be noted also that an option for bulk URLs analysis is not available via Ahrefs API either, so in any case, you will need to analyze domain by domain. 

 

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