Search engine optimization back links Links as a ranking factor are what allowed Google to start to dominate the search engine market back in the late 1990s. One of Google's founders, Larry Page, invented PageRank?, which Google used to measure the quality of a page based in part on the number of links pointing to it. This metric was then used as part of the overall ranking algorithm and became a strong signal because it was a very good way of determining the quality of a page.;u=2729594

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Last-modified: 2019-12-21 (土) 14:49:20 (31d)