wikibooks.org

Wikibooks.org is a Wiki on books.

Wikibooks.org is a free, open-content wiki platform for creating and sharing collaborative textbooks and educational materials that anyone can edit and contribute to.

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Authority

98/100

Safety

90/100

Registered

Jul 19, 2003

23 years old · MarkMonitor Inc.

On record

since 2006

4 of 5 safety checks passed (Sep 5, 2026).

AboutUs has not vetted this site. 1 of 5 automated safety check did not pass. Everything below is what we could measure automatically. Anything you do on the site — paying, sharing personal details, downloading — is between you and the site, not AboutUs.

Current facts

What AboutUs observed on the live site and in WHOIS/DNS today. These are measurements, not an endorsement of the site.

checked now

Domain registered Jul 19, 2003 — 23 years old.

checked now

Registrar today: MarkMonitor Inc. — unchanged since AboutUs began tracking (Jul 26, 2026).

checked now

Live site responds over HTTPS.

Trust record

Authority & Safety, with the evidence

How this is scored →

Authority 98/100 — ahead of 98% of scored sitesClear

Why this authority score

Prominence (Tranco rank #3,301; Open PageRank 4.3/10)+15
Verified continuity: 22.9 years (RDAP registration)+10
Security & email hygiene+4
Prominence × continuity interaction+1
Calibration adjustment (published map)+24

Every point maps to a sentence. These lines sum to the model score of 54/99, which is what places this site at 98/100 against every other scored site.

Safety evidence

All checked sources came back clean

Site history

Dated record — historical facts always carry their date.

2003
Domain registered (Jul 19, 2003).
2006
First tracked by AboutUs (Aug 12, 2006); profile edited 9 times through 2013.
2026
Checked today — 4 of 5 safety checks passed (Sep 5, 2026).

✓ domain continuity 23 years registered✓ live verified Sep 5, 2026

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