We've got new, delicious data for you! The second Mozscape index of the month is now live. Consume all the data with your favorite apps, including Open Site Explorer, the Mozbar, your PRO campaigns, and the Mozscape API.

Below is the histogram with the crawl dates.

Crawl histogram for May 15, 2013 Mozscape index

Here are the metrics for this index:

  • 90,641,413,665 (91 billion) URLs
  • 7,388,144,649 (7.4 billion) Subdomains
  • 158,669,066 (159 million) Root Domains
  • 926,144,106,342 (926 billion) Links
  • Followed vs. Nofollowed
    • 2.14% of all links found were nofollowed/li>
    • 57% of nofollowed links are internal
    • 43% are external
  • Rel Canonical - 14.42% of all pages use a rel=canonical tag
  • The average page has 79 links on it
    • 68 internal links on average
    • 11 external links on average

And the correlations with Google's US search results:

  • Page Authority - 0.36
  • Domain Authority - 0.19
  • MozRank - 0.24
  • Linking Root Domains - 0.30
  • Total Links - 0.25
  • External Links - 0.29

Please feel free to leave feedback! You can find a list of our previous index updates with metrics here.

Happy Wednesday, everyone!

Moz on, Brad out.