Two ways links pass (or withhold) ranking signals.
A DoFollow link passes PageRank and topical relevance to the target page. A NoFollow link (rel="nofollow") tells search engines not to count it as an endorsement. In 2019 Google reclassified NoFollow as a "hint" rather than a hard directive, so NoFollow links can still influence rankings.
PositiveBacklink uses AI Watchdog and the ABC method to put glossary theory to work.
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