bl.uk

Bl.uk home page of the British Library Catalogue on the web

This is the home page of the British Library website.

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Authority

85/100

Safety

90/100

Registered

Nov 7, 1995

30 years old · Nominet UK

On record

since 2006

All 4 safety checks passed (Sep 18, 2026).

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 85/100 — ahead of 85% of the August 2026 scored sampleClear

Why this authority score

Prominence (Tranco rank #7,490)+10
Verified continuity: 30.9 years (RDAP registration)+11
Security & email hygiene+4
Calibration adjustment (published map)+18

These lines explain the underlying model score of 43/99, which is what places this site at 85/100 using the August 2026 scored sample. Public Authority is capped at 99.

Safety evidence

No unexpired threat-feed result; name-similarity check available (recorded about 29 days ago); 3/3 transport and email checks available (oldest recorded about 29 days ago). This is evidence coverage, not a probability that a website is safe.

No caution flags in the available scoring observations; this is not a complete safety assessment

Site history

Dated record — historical facts always carry their date; self-description below is the 2014 record.

1995
Domain registered (Nov 7, 1995).
2006
First tracked by AboutUs (Jun 19, 2006); profile edited 5 times through 2014.
2014
Self-description at the time:
“Bl.uk home page of the British Library Catalogue on the web”
2026
Checked today — All 4 safety checks passed (Sep 18, 2026).

✓ domain continuity 30 years registered✓ live verified Sep 18, 2026

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