CitedBy / Backlinks / contraelcancer.es
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Who links to contraelcancer.es?
2,176 domains link to contraelcancer.es 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 · 2,176 referring domains
Strongest referring domains
| # | Referring domain | Domains linking to it |
|---|---|---|
| 1 | google.com | 15,904,056 |
| 2 | blogspot.com | 880,829 |
| 3 | nih.gov | 673,479 |
| 4 | wixsite.com | 340,110 |
| 5 | substack.com | 272,627 |
| 6 | linktr.ee | 271,096 |
| 7 | outlook.com | 233,817 |
| 8 | tinyurl.com | 226,506 |
| 9 | frontiersin.org | 127,317 |
| 10 | cisco.com | 63,807 |
| 11 | azurewebsites.net | 49,395 |
| 12 | itch.io | 38,276 |
| 13 | rtve.es | 33,869 |
| 14 | elmundo.es | 31,717 |
| 15 | abc.es | 30,648 |
| 16 | ivoox.com | 22,805 |
| 17 | elespanol.com | 21,196 |
| 18 | wikidata.org | 20,546 |
| 19 | sapo.pt | 18,245 |
| 20 | as.com | 17,334 |
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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. Adult-content domains are left out of the list, so a page can show fewer than 20. Spam and link-network domains are shown as they are.
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