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Who links to zeiss.de?

2,136 domains link to zeiss.de 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 · 2,136 referring domains

Strongest referring domains

#Referring domainDomains linking to it
1wikipedia.org2,226,572
2microsoft.com1,341,331
3europa.eu1,227,455
4blogspot.com880,829
5nih.gov673,479
6adobe.com585,916
7github.io464,772
8wikimedia.org369,850
9outlook.com233,817
10xing.com217,682
11prnewswire.com147,597
12frontiersin.org127,317
13upenn.edu72,821
14libsyn.com62,872
15herokuapp.com49,589
16azurewebsites.net49,395
17over-blog.com42,334
18tradingview.com37,215
19umd.edu36,975
20ning.com35,220

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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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