Change in Number of Historic URLs
This alert is based on the number of historic urls (backlinks) found linking to your paid level domain. These urls have been established, and have been previously indexed by Majestic. This can be affect your Trust Flow and Citation Flow, which exists as a comparison to the click through rate and domain relevance factors for your site. Changes in Citation Flow and Citation Flow are generally associated with a shift in the backlink metrics for a domain, the relevancy of the content to the user’s search query, among many other Majestic Flow Metrics.
Increase in Number of Historic Backlinks
This alert is based on an increase in the number of Historic backlinks found linking to your paid level domain. It is possible that this increase can lead to an improved Trust Flow and Citation Flow 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. Steep increases in historic urls linking to your website can indicate a site-wide link, which should be closely monitored as to not violate Google’s Webmaster Guidelines.
Decrease in the Number of Historic Backlinks
This alert is based on an decrease in the number of Historic backlinks found linking to your paid level domain. This drop is witnessed with historic domains that have been previously indexed by Majestic. It is possible that this decrease can lead to a drop in Trust Flow and Citation Flow for your domain indicates an increase in overall ranking authority for your website. This is a good indicator that your site has less relevant content, and has a decreasing number of inbound links (external and internal) contributing to the overall authority of your website.
Let’s hope you have recently garnered new authoritative links to your site from domains that have been historically indexed my Majestic, and you see this number on a steady upward trend. It is important to note that Majestic can trigger false positives for this alert if there was a recent index update on their end, which would have an impact on the Trust and Citation flows of all sites in their index. If you see a big jump or drop, you should check to see if Majestic updated their index before freaking out!