topcoder.com

TopCoder.com offers a platform for crowdsouring through online vacancies

TopCoder is fast becoming the major league for programming competitions.

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Authority

93/100

Safety

90/100

Registered

Dec 30, 1998

27 years old · Amazon Registrar, Inc.

On record

since 2006

All 5 safety checks passed (Sep 3, 2026).

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 30, 1998 — 27 years old.

checked now

Registrar today: Amazon Registrar, Inc. — unchanged since AboutUs began tracking (Aug 16, 2026).

checked now

Live site responds over HTTPS.

Trust record

Authority & Safety, with the evidence

How this is scored →

Authority 93/100 — ahead of 93% of scored sitesClear

Why this authority score

Prominence (Tranco rank #62,341; Open PageRank 3.5/10)+11
Verified continuity: 27.7 years (RDAP registration)+11
Security & email hygiene+4
Calibration adjustment (published map)+21

Every point maps to a sentence. These lines sum to the model score of 47/99, which is what places this site at 93/100 against every other scored site.

Safety evidence

All checked sources came back clean

Site history

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

1998
Domain registered (Dec 30, 1998).
2006
First tracked by AboutUs (Jun 21, 2006); profile edited 4 times through 2013.
2013
Self-description at the time:
“TopCoder.com offers a platform for crowdsouring through online vacancies”
2026
Checked today — All 5 safety checks passed (Sep 3, 2026).

✓ domain continuity 27 years registered✓ live verified Sep 3, 2026

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