Technivorz Research: How Foundation Failures and Crawl Issues Drain Link Equity and Organic Traffic
https://wiki-square.win/index.php/How_Hong_Kong_Small_Businesses_Reclaimed_Traffic_After_Cheap_Link_Building_Went_Wrong
Technivorz finds 38% of sites fail basic foundation checks, costing up to 30% of organic traffic The data suggests this is not a marginal problem