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Who links to studysmarter.de?
1,674 domains link to studysmarter.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 · 1,674 referring domains
Strongest referring domains
| # | Referring domain | Domains linking to it |
|---|---|---|
| 1 | google.com | 15,904,056 |
| 2 | apple.com | 2,526,600 |
| 3 | wikipedia.org | 2,226,572 |
| 4 | microsoft.com | 1,341,331 |
| 5 | blogspot.com | 880,829 |
| 6 | substack.com | 272,627 |
| 7 | outlook.com | 233,817 |
| 8 | zendesk.com | 107,073 |
| 9 | wiktionary.org | 51,808 |
| 10 | brave.com | 25,476 |
| 11 | hessen.de | 22,412 |
| 12 | taz.de | 22,333 |
| 13 | wikidata.org | 20,546 |
| 14 | sapo.pt | 18,245 |
| 15 | hamburg.de | 17,225 |
| 16 | hypotheses.org | 14,253 |
| 17 | uni-hamburg.de | 13,863 |
| 18 | pearson.com | 12,774 |
| 19 | mailjet.com | 12,751 |
| 20 | spektrum.de | 10,598 |
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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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