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Who links to bptk.de?
2,032 domains link to bptk.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 · 2,032 referring domains
Strongest referring domains
| # | Referring domain | Domains linking to it |
|---|---|---|
| 1 | google.com | 15,904,056 |
| 2 | wikipedia.org | 2,226,572 |
| 3 | cloudfront.net | 1,153,342 |
| 4 | blogspot.com | 880,829 |
| 5 | nih.gov | 673,479 |
| 6 | bund.de | 240,091 |
| 7 | statista.com | 193,556 |
| 8 | mdpi.com | 133,989 |
| 9 | frontiersin.org | 127,317 |
| 10 | cambridge.org | 111,999 |
| 11 | plos.org | 85,504 |
| 12 | vice.com | 78,160 |
| 13 | bayern.de | 48,313 |
| 14 | sueddeutsche.de | 44,980 |
| 15 | over-blog.com | 42,334 |
| 16 | nrw.de | 39,470 |
| 17 | faz.net | 38,079 |
| 18 | berlin.de | 30,933 |
| 19 | mpg.de | 28,415 |
| 20 | bundestag.de | 28,043 |
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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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