cdlib.org

The California Digital Library catalogs and provides online access to collections from all libraries in the University of California system. It serves UC students, faculty, researchers, and the public seeking academic and research materials.

Authority

73/100

Safety

90/100

Known risk signals, not a check pass rate

Registered

Feb 6, 1998

28 years old · Gandi SAS

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All 4 safety checks passed (Oct 1, 2026).

DNS

HTTPS

Page metadata

Security headers

Current facts

Latest available measurements; dated entries retain their dates. These are measurements, not an endorsement of the site.

Authority & Safety, with the evidence

How this is scored →

Authority 73/100 — ahead of 73% of the August 2026 scored sampleClear

Why this authority score

73 is a percentile: higher than 73% of sites we score.

How it's calculated

Prominence (Tranco rank #17,899)+8
Verified continuity: 28.6 years (RDAP registration)+11
Security & email hygiene+3
Calibration adjustment (published map)+15

Model score: 37/99 — what these reason lines add up to.

Published Authority (percentile): 73/100 — this site's rank against the August 2026 scored sample. Public Authority is capped at 99.

Safety evidence

No unexpired threat-feed result; name-similarity check available (recorded about 41 days ago); 3/3 transport and email checks available (oldest recorded about 41 days ago). This is evidence coverage, not a probability that a website is safe.

Site history

Dated record — historical facts always carry their date; self-description below is the 2013 record.

1998
Domain registered (Feb 6, 1998).
2006
First tracked by AboutUs (Jun 19, 2006); profile edited 4 times through 2013.
2013
Self-description at the time:
“Cdlib.org is the electronic library of the University of California”
2026
Checked today — All 4 safety checks passed (Oct 1, 2026).

✓ domain continuity 28 years registered✓ live verified Oct 1, 2026

Common questions

Is cdlib.org legit or a scam?

AboutUs doesn't label sites "legit" or "a scam": this page lists the dated registration, DNS, HTTPS, mail-authentication and safety checks we could verify, each with its source, so you can decide for yourself.

Who owns cdlib.org?

Nobody has completed AboutUs's owner verification for cdlib.org. That's true of most sites here — it isn't itself a warning sign.

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Correction review promise

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