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Who links to jccm.es?
3,206 domains link to jccm.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 · 3,206 referring domains
Strongest referring domains
| # | Referring domain | Domains linking to it |
|---|---|---|
| 1 | google.com | 15,904,056 |
| 2 | wikipedia.org | 2,226,572 |
| 3 | europa.eu | 1,227,455 |
| 4 | blogspot.com | 880,829 |
| 5 | bit.ly | 767,766 |
| 6 | weebly.com | 456,220 |
| 7 | wikimedia.org | 369,850 |
| 8 | wixsite.com | 340,110 |
| 9 | issuu.com | 273,914 |
| 10 | outlook.com | 233,817 |
| 11 | mdpi.com | 133,989 |
| 12 | openstreetmap.org | 126,378 |
| 13 | marriott.com | 98,502 |
| 14 | google.es | 95,444 |
| 15 | plos.org | 85,504 |
| 16 | elpais.com | 76,969 |
| 17 | cutt.ly | 53,862 |
| 18 | huawei.com | 52,725 |
| 19 | over-blog.com | 42,334 |
| 20 | ning.com | 35,220 |
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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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