Posted by bradfriedman 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. 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. Sign up for The Moz Top 10 , a semimonthly mailer updating you on the top ten hottest pieces of SEO news, tips, and rad links uncovered by the Moz team. Think of it as your exclusive digest of stuff you don’t have time to hunt down but want to read!