Our Historic Index has just been updated and since our lastupdate, we have crawled over 45 billion new unique URLs! See the latest figures below:
Majestic Historic Index
Unique URLs crawled: 1,918,997,375,253
Unique URLs found: 8,049,703,371,229
Date range: 05 Apr 2013 to 05 Nov 2018
Last updated: 14 Dec 2018
Just as a reminder, although you might use the Fresh Index for your day-to-day analysis because this data has the most up-to-date and current links, the Historical Index remains the broadest index. It contains historical data of over 5 years allowing you to explore your backlinks in more detail and see trends related to your links over time.