My competitor ranking no.1 with no backlinks how?

RushingWind said:

yeah i guess he blocked ahrefs ips

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Please read http://www.blackhatworld.com/blackhat-seo/black-hat-seo/552133-my-competitor-ranking-no-1-no-backlinks-how.html#post5420889. Blocking ahrefs IP's won't block the crawlers from accessing the backlink pages.

SmartMan said:

Please read post #13. Blocking ahrefs IP's won't block the crawlers from accessing the backlink pages.

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Here blocking the Ahref refers to the site from which he is getting backlink. Like we might be running a private blog network with ahrefs blocked.