act-sf.org website report
Authority, global rank, the websites that link to act-sf.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 act-sf.org?
act-sf.org has an XKey authority of 31 out of 100, which makes it a moderately established website. It ranks #407,275 of 133,241,980 websites by how central it is to the web's links – the top 0.31%. 622 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 act-sf.org?
The 50 strongest websites linking to act-sf.org, by link strength (0–100). Select any one to see its own report.
| # | Website linking to it | Link strength |
|---|---|---|
| 1 | wikipedia.org | 88 |
| 2 | amazonaws.com | 83 |
| 3 | blogspot.com | 82 |
| 4 | squarespace.com | 82 |
| 5 | github.io | 78 |
| 6 | wixsite.com | 76 |
| 7 | linktr.ee | 75 |
| 8 | substack.com | 75 |
| 9 | tinyurl.com | 74 |
| 10 | ca.gov | 73 |
| 11 | stanford.edu | 72 |
| 12 | cbsnews.com | 71 |
| 13 | berkeley.edu | 69 |
| 14 | marriott.com | 69 |
| 15 | livejournal.com | 68 |
| 16 | constantcontact.com | 68 |
| 17 | washington.edu | 65 |
| 18 | herokuapp.com | 65 |
| 19 | myftpupload.com | 64 |
| 20 | salon.com | 63 |
| 21 | rutgers.edu | 62 |
| 22 | cvent.com | 62 |
| 23 | prweb.com | 62 |
| 24 | lonelyplanet.com | 62 |
| 25 | mercurynews.com | 61 |
| 26 | webex.com | 61 |
| 27 | rochester.edu | 61 |
| 28 | bustle.com | 61 |
| 29 | aboutamazon.com | 61 |
| 30 | ucsf.edu | 61 |
| 31 | aaa.com | 61 |
| 32 | homestead.com | 61 |
| 33 | wildapricot.org | 60 |
| 34 | observer.com | 60 |
| 35 | runsignup.com | 60 |
| 36 | kiplinger.com | 60 |
| 37 | broadwayworld.com | 59 |
| 38 | wikidata.org | 59 |
| 39 | kqed.org | 59 |
| 40 | dartmouth.edu | 59 |
| 41 | northeastern.edu | 58 |
| 42 | lbl.gov | 58 |
| 43 | payscale.com | 58 |
| 44 | hyperallergic.com | 57 |
| 45 | qgiv.com | 57 |
| 46 | wnyc.org | 56 |
| 47 | mymodernmet.com | 55 |
| 48 | givesmart.com | 55 |
| 49 | advocate.com | 54 |
| 50 | theringer.com | 54 |
Showing the strongest 50 of 622. Compare act-sf.org with a competitor in the backlink checker.
When was act-sf.org registered?
act-sf.org was registered on 18 September 2002 through Tucows Domains Inc., and is paid up until 18 September 2027.
| Registered | 18 September 2002 |
|---|---|
| Expires | 18 September 2027 |
| Last updated | 27 August 2026 |
| Registrar | Tucows Domains Inc. |
| Name servers | ns-1103.awsdns-09.org, ns-1746.awsdns-26.co.uk, ns-616.awsdns-13.net, ns-74.awsdns-09.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 act-sf.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 5 November 2026. Look up another website on the website report page.