ef.com

EF.com is Business English Courses

İngilizce ve diğer yabancı dilleri yurtdışı organizasyonlarla öğreten, dil yeteneklerini geliştiren tüm yaşlar için kurslar.

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Authority

96/100

Safety

90/100

Registered

Dec 9, 1994

31 years old · CSC Corporate Domains, Inc.

On record

since 2006

4 of 5 safety checks passed (Sep 3, 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 Dec 9, 1994 — 31 years old.

checked now

Registrar today: CSC Corporate Domains, Inc. — unchanged since AboutUs began tracking (Jul 25, 2026).

checked now

Live site responds over HTTPS.

Trust record

Authority & Safety, with the evidence

How this is scored →

Authority 96/100 — ahead of 96% of scored sitesClear

Why this authority score

Prominence (Tranco rank #18,516; Open PageRank 3.5/10)+12
Verified continuity: 31.6 years (RDAP registration)+11
Security & email hygiene+4
Prominence × continuity interaction+1
Calibration adjustment (published map)+22

Every point maps to a sentence. These lines sum to the model score of 50/99, which is what places this site at 96/100 against every other scored site.

Safety evidence

All checked sources came back clean

Site history

Dated record — historical facts always carry their date.

1994
Domain registered (Dec 9, 1994).
2006
First tracked by AboutUs (Jun 20, 2006); profile edited 5 times through 2013.
2026
Checked today — 4 of 5 safety checks passed (Sep 3, 2026).

✓ domain continuity 31 years registered✓ live verified Sep 3, 2026

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