u-psud.fr

U-psud.fr is the home page of Paris-Sud University

Paris-Sud University (Université Paris-Sud XI) is a French public research university based in Orsay, France, offering teaching and research across multiple disciplines spanning seven faculties. Its academic scope covers sciences, medicine, pharmacy, law, economics, and more. The university is located at 15 rue Georges Clemenceau, 91405 Orsay Cedex, and can be reached by phone at +33 1 69 15 73 74.

Authority

67/100

Safety

90/100

Known risk signals, not a check pass rate

Registered

Apr 17, 1995

31 years old · GIP RENATER

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1 of 2 safety checks passed (Oct 1, 2026).

DNS

HTTPS— Make sure the site responds over HTTPS with a valid certificate.

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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 67/100 — ahead of 67% of the August 2026 scored sampleClear

Why this authority score

67 is a percentile: higher than 67% of sites we score.

How it's calculated

Prominence (Tranco rank #21,631)+8
Verified continuity: 31.5 years (RDAP registration)+11
Security & email hygiene+2
Calibration adjustment (published map)+13

Model score: 34/99 — what these reason lines add up to.

Published Authority (percentile): 67/100 — 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.

Recorded HTTPS check did not confirm a valid connection

Site history

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

1995
Domain registered (Apr 17, 1995).
2006
First tracked by AboutUs (Jun 21, 2006); profile edited 2 times through 2013.
2013
Self-description at the time:
“U-psud.fr is the home page of Paris-Sud University”
2026
Checked today — 1 of 2 safety checks passed (Oct 1, 2026).

✓ domain continuity 31 years registered✓ live verified Oct 1, 2026

Common questions

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