Our January Historic Index is now live.

Here are the new numbers for the record.

Historic Index

Unique URLs crawled: 884,184,043,798
Unique URLs found: 3,583,740,663,828
Date range: 25 Apr 2010 to 25 Nov 2015
Last updated: 11 Jan 2016

 

Dixon Jones
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Comments

  • SeoKungFu

    Great, thank you !

    January 20, 2016 at 6:30 am
  • Julia Stiles

    How can you crawl the back links of [Mysite URL removed]

    January 27, 2016 at 8:58 am
    • Dixon Jones

      We crawl the whole web where we are allowed to. The site you linked to blocks our bot at the server level (406 response). This does not stop us seeing links TO your site, it only stop us properly interpreting the pages and links OUT of your site. We do not recommend using 400 responses if you want to block us, because our bot may start hitting your server much harder trying to find the Robots.txt file where we expect the instruction to be. We do respect Robots.txt, including the "crawl delay" command.

      January 27, 2016 at 3:23 pm

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