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Who links to cen.eu?
2,052 domains link to cen.eu in the latest Common Crawl web graph (Aug-Oct 2026). Below are the 20 strongest. Strength is how many domains link to that referrer.
Common Crawl graph cc-main-2026-aug-sep-oct · read 2026-10-23 · 2,052 referring domains
Strongest referring domains
| # | Referring domain | Domains linking to it |
|---|---|---|
| 1 | wikipedia.org | 2,226,572 |
| 2 | europa.eu | 1,227,455 |
| 3 | blogspot.com | 880,829 |
| 4 | nih.gov | 673,479 |
| 5 | github.io | 464,772 |
| 6 | substack.com | 272,627 |
| 7 | www.gov.uk | 251,067 |
| 8 | bund.de | 240,091 |
| 9 | w3.org | 227,599 |
| 10 | un.org | 191,314 |
| 11 | prnewswire.com | 147,597 |
| 12 | mdpi.com | 133,989 |
| 13 | admin.ch | 107,994 |
| 14 | nist.gov | 83,677 |
| 15 | iso.org | 76,237 |
| 16 | techtarget.com | 59,270 |
| 17 | com.de | 56,776 |
| 18 | ietf.org | 54,402 |
| 19 | federalregister.gov | 49,855 |
| 20 | bayern.de | 48,313 |
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Method and limits
Source: Common Crawl's public domain web graph, built from three monthly crawls (134,979,706 domains, 1,817,202,146 links). We count distinct linking domains, not pages, and do not use any third-party backlink index. Common Crawl samples the web, so counts are lower than a full index such as Ahrefs or Semrush; use them to compare sites and spot big referrers, not as an exact total. Updated each quarter, last graph: cc-main-2026-aug-sep-oct. Nofollow and link position are not in this data.
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