Change in Number of Lost Links
This alert is based on the number of lost backlinks found linking to your paid level domain. This can be affect your Ahrefs Rank (Your site’s Domain Rank), which exists as a comparison of your site’s rankings to the rankings scale of all other website domains across the world. Changes in Ahrefs Rank are generally associated with a shift in the link popularity score for a domain, and is often compared with Google’s PageRank scoring. This metric compares the authority of your domain with all other websites indexed by Ahrefs.
Increase in the Number of Lost Backlinks
This alert is based an increase in the number of lots backlinks found linking to your paid level domain. This has the potential to cause the Ahrefs Rank for your domain to decrease. That typically indicates you have less relevant content on the site and are losing links and/or authority for your website. If you see this number of lost backlinks increase, you should pay close attention to ensure that you have not noindexed authority pages of your site, or recently lost a number of authoritative links.
Let’s hope you have purposefully removed low quality and irrelevant backlinks to your site and you see this number on a steady downward trend to show zero lost backlinks. It is important to note that Ahrefs can trigger false positives for this alert if there was a recent index update on their end, which would have an impact on the Ahrefs Rank of all sites in their index. If you see a big jump or drop, you should check to see if Ahref updated their index before freaking out!