Change in Number of Backlinks
This alert is based on the number of 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 Number of Backlinks
This alert is based on an increase in the number of backlinks found linking to your paid level domain. It is possible that this increase can lead to an improved Ahrefs Rank for your domain indicates an increase in overall ranking authority for your website. This is a good indicator that your site has more relevant content, and is increasing the number of inbound links (external and internal) contributing to the overall authority of your website.
Decrease in Number of Backlinks
This alert is based a decrease in the number 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 dropping, 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 recently garnered new authoritative links to your site and you see this number on a steady upward trend. 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!