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Who links to nhs.uk?
1,589 domains link to nhs.uk 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 · 1,589 referring domains
Strongest referring domains
| # | Referring domain | Domains linking to it |
|---|---|---|
| 1 | google.com | 15,904,056 |
| 2 | wikipedia.org | 2,226,572 |
| 3 | amazonaws.com | 1,047,764 |
| 4 | blogspot.com | 880,829 |
| 5 | bit.ly | 767,766 |
| 6 | nih.gov | 673,479 |
| 7 | www.gov.uk | 251,067 |
| 8 | outlook.com | 233,817 |
| 9 | hubspot.com | 193,828 |
| 10 | frontiersin.org | 127,317 |
| 11 | www.nhs.uk | 109,039 |
| 12 | uk.com | 108,260 |
| 13 | sciencedaily.com | 82,252 |
| 14 | ox.ac.uk | 77,203 |
| 15 | buzzsprout.com | 68,653 |
| 16 | herokuapp.com | 49,589 |
| 17 | azurewebsites.net | 49,395 |
| 18 | justgiving.com | 43,581 |
| 19 | drupal.org | 26,967 |
| 20 | trendmicro.com | 23,126 |
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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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