r-lib.org website report
Authority, global rank, the websites that link to r-lib.org, when it was registered and where it's hosted – free, from public data.
authority
global rank of 133,241,980
websites link to it
domain age
How strong is r-lib.org?
r-lib.org has an XKey authority of 31 out of 100, which makes it a moderately established website. It ranks #401,023 of 133,241,980 websites by how central it is to the web's links – the top 0.3%. 1,134 different websites link to it.
Authority comes from Common Crawl's map of links between websites (July–September 2026): a site linked from many well-linked sites scores high. Google doesn't use this number, but it tracks the kind of link strength that helps pages rank. What is domain authority?
Which websites link to r-lib.org?
The 50 strongest websites linking to r-lib.org, by link strength (0–100). Select any one to see its own report.
| # | Website linking to it | Link strength |
|---|---|---|
| 1 | microsoft.com | 85 |
| 2 | europa.eu | 84 |
| 3 | blogspot.com | 82 |
| 4 | github.com | 81 |
| 5 | nih.gov | 80 |
| 6 | github.io | 78 |
| 7 | wikimedia.org | 77 |
| 8 | harvard.edu | 75 |
| 9 | mit.edu | 72 |
| 10 | stanford.edu | 72 |
| 11 | arxiv.org | 71 |
| 12 | cornell.edu | 71 |
| 13 | frontiersin.org | 70 |
| 14 | cambridge.org | 70 |
| 15 | berkeley.edu | 69 |
| 16 | vercel.app | 69 |
| 17 | arcgis.com | 68 |
| 18 | netlify.app | 68 |
| 19 | plos.org | 68 |
| 20 | gnu.org | 67 |
| 21 | apache.org | 67 |
| 22 | libsyn.com | 66 |
| 23 | usgs.gov | 65 |
| 24 | qualtrics.com | 65 |
| 25 | iheart.com | 65 |
| 26 | cancer.gov | 64 |
| 27 | readthedocs.io | 64 |
| 28 | duke.edu | 64 |
| 29 | visualstudio.com | 64 |
| 30 | ucl.ac.uk | 63 |
| 31 | sap.com | 63 |
| 32 | dev.to | 63 |
| 33 | ethz.ch | 62 |
| 34 | mpg.de | 62 |
| 35 | sfu.ca | 61 |
| 36 | cnrs.fr | 61 |
| 37 | wustl.edu | 61 |
| 38 | tistory.com | 61 |
| 39 | workers.dev | 60 |
| 40 | pypi.org | 60 |
| 41 | iastate.edu | 60 |
| 42 | usp.br | 60 |
| 43 | umass.edu | 60 |
| 44 | gatech.edu | 60 |
| 45 | imperial.ac.uk | 60 |
| 46 | unimelb.edu.au | 60 |
| 47 | atlassian.net | 60 |
| 48 | js.org | 59 |
| 49 | uni-heidelberg.de | 59 |
| 50 | case.edu | 58 |
Showing the strongest 50 of 1,134. Compare r-lib.org with a competitor in the backlink checker.
When was r-lib.org registered?
r-lib.org was registered on 25 July 2017 through Amazon Registrar, Inc., and is paid up until 25 July 2027.
| Registered | 25 July 2017 |
|---|---|
| Expires | 25 July 2027 |
| Last updated | 12 August 2026 |
| Registrar | Amazon Registrar, Inc. |
| Name servers | ns-1175.awsdns-18.org, ns-1018.awsdns-63.net, ns-1615.awsdns-09.co.uk, ns-9.awsdns-01.com |
Straight from the domain registry. Owners' personal details are hidden by law, so to reach the owner use the website's own contact page or the registrar. Full record: WHOIS lookup.
Where is r-lib.org hosted, and what is it built with?
We check the live website when you ask, so this page stays fast.
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Link data: Common Crawl web graph, July–September 2026. Registration data: the domain registry, checked 14 November 2026. Look up another website on the website report page.