FAQ & Help


  • Free credits
    • Every registered member will get 100 free credits per day.  create a free member account
    • Please do not try to register more than one account, it will reduce your free credits per day.
  • Data update frequency
    • Backlinks update every day.
    • PageRanks update every month, for subscriber, It also can be done on demand, you can update it at anytime.
  • How many records in your database?
    • 300 Millon domains(it contains expired domains, its very usefull for finding some good expired domains.)
    • 1 Trillion external backlinks[real backlinks](we don't index internal links, the backlinks from the same domain).
    • 1 Billion web pages was crawled every day, we have perfect algorithms to find backlinks, so we needn't crawl all webpages on the internet(no one can do that, even Google).
  • Other questions