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Who links to calculem.es?
2,334 domains link to calculem.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 · 2,334 referring domains
Strongest referring domains
| # | Referring domain | Domains linking to it |
|---|---|---|
| 1 | amazonaws.com | 1,047,764 |
| 2 | us.com | 77,941 |
| 3 | xsrv.jp | 29,983 |
| 4 | ru.com | 27,938 |
| 5 | xrea.com | 16,719 |
| 6 | tuxfamily.org | 5,132 |
| 7 | 6f.sk | 4,854 |
| 8 | commonsupport.com | 2,224 |
| 9 | gctu.edu.gh | 1,925 |
| 10 | goruck.com | 1,448 |
| 11 | advokatsthlm.se | 1,285 |
| 12 | vildastamps.com | 1,277 |
| 13 | nrs-ndc.info | 1,246 |
| 14 | parquesnacionales.gov.co | 1,209 |
| 15 | mysites.io | 1,085 |
| 16 | taylordentist.com | 1,037 |
| 17 | nialatea.at | 1,001 |
| 18 | mangalayatan.in | 891 |
| 19 | bolgernow.com | 861 |
| 20 | theceo.in | 857 |
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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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