CitedBy / Backlinks / upgradelabs.pt
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Who links to upgradelabs.pt?
3,245 domains link to upgradelabs.pt 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 · 3,245 referring domains
Strongest referring domains
| # | Referring domain | Domains linking to it |
|---|---|---|
| 1 | amazonaws.com | 1,047,764 |
| 2 | uk.com | 108,260 |
| 3 | eu.com | 78,707 |
| 4 | us.com | 77,941 |
| 5 | xsrv.jp | 29,983 |
| 6 | ru.com | 27,938 |
| 7 | fsu.edu | 18,031 |
| 8 | xrea.com | 16,719 |
| 9 | bc.edu | 14,359 |
| 10 | sch.gr | 7,048 |
| 11 | caib.es | 5,615 |
| 12 | worldvision.org | 5,322 |
| 13 | tuxfamily.org | 5,132 |
| 14 | ipb.ac.id | 4,347 |
| 15 | its.ac.id | 2,457 |
| 16 | dream.website | 2,324 |
| 17 | d-themes.com | 2,094 |
| 18 | gctu.edu.gh | 1,925 |
| 19 | shibaura-it.ac.jp | 1,504 |
| 20 | goruck.com | 1,448 |
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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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