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1743 points caspii | 1 comments | | HN request time: 0.441s | source
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thar327 ◴[] No.27432010[source]
How does ahrefs.com get the information of any websites backlinks? This is more interesting than the original article itself
replies(1): >>27432082 #
1. aembleton ◴[] No.27432082[source]
With web crawlers. They index the web to give you this information: https://ahrefs.com/big-data