we compared 8 web hosts in common crawl's domain-level link graph. 35 non-platform domains link to all 8, while 72% of linking domains appear for only one subject.
how we pulled this
for each subject domain, we pulled the top 2,000 referring domains by authority from common crawl release Apr-Jun 2026 (cc-main-2026-apr-may-jun). we intersected those lists, then removed platform, cdn, social, and other non-editorial domains from the clean overlap counts.
the filter matters. hosting providers, cdns, url shorteners and the big social networks link to almost everything, so leaving them in would produce a universal list that is technically correct and useless for outreach. the counts below are after that filter unless a column says otherwise. everything here comes from the open common crawl webgraph, so you can reproduce it without a paid backlink tool.
subject domains
