Trusted but Verify
Key details in this review:
no major malware/phishing detections and content related to AI-related content. Review the evidence before relying on the site.
Trust signal radarNormalized trust signals for promptduel.ioDomain Maturity: 434 daysDomain MaturityWarning Cleanliness: 0 detectionsWarningCleanlinessSafety Level: 0 negative tagsSafetyLevelPositive Signals: 0 positive signalsPositiveSignalsPopularity: Estimated low traffic without Tranco or social profile dataPopularityTrust Zone: .ioTrust ZoneOperational Signals: 0 detected servicesOperationalSignalsLocation Credibility: Hosting country USLocation Credibility
Figure 1. Trust signal radar for promptduel.io. Larger shaded area indicates stronger trust signals.
How we scored promptduel.io
On-page mentions:
Artificial Intelligence
Tech signals:
React Platform, Web Application, Cloudflare Browser Insights, Next.js Framework
Positive signals:
no major malware/phishing detections
a domain age of 14 months
Context signals:
content related to AI-related content
Last checked September 22, 2026 at 9:04 PM by
Gridinsoft Trust Model v2.5.4
We reviewed promptduel.io and found a mix of positive and cautionary signals. The site does not currently look like a confirmed scam, but the evidence is not strong enough to treat it as fully established either. The current trust score is 63/100. Key signals include no major malware/phishing detections, a domain age of 14 months, and content related to AI-related content. Verify key details and recent independent feedback before relying on this site for important actions.
FAQ
Is promptduel.io safe?
Based on current analysis, promptduel.io appears to be generally safe overall, although some caution points still remain. No major malware or phishing threats were detected, and a domain age of 14 months support this assessment. Basic verification is still recommended.
Why does promptduel.io have mixed reputation signals?
Key factors include registrar information (Cloudflare, Inc) and hosting in US. Major malware and phishing engines did not report active blacklist detections at the time of review. The trust score blends security detections, domain and infrastructure signals, and on-page behavior patterns. Overall, this points to a mixed profile rather than a clearly safe one.
Promptduel Digital Footprints
A structured view of the site's detected themes, page signals, and related online footprint elements.
Artificial Intelligence
This site references AI-related technologies, features, or product positioning in its content.
React Platform
This website is built using React, a popular JavaScript library for creating interactive user interfaces.
Web Application
promptduel.io is configured as an installable web application (PWA-style behavior) with app-like interaction patterns.
Cloudflare Browser Insights
This website is proxied through Cloudflare's CDN/network and has Cloudflare Browser Insights enabled.
Webpack Module Bundler
Next.js Framework
Domain Information
CreatedJuly 18, 2025 at 12:32 PMUpdated: August 11, 2026 at 9:56 PM · Expires: July 18, 2027 at 12:32 PM
Domain Age14 months
RegistrantPersonal information withheldProtected by Gridinsoft
SSL CertificateWE1SSL certificate not verifiedQUIC · from August 31, 2026 at 7:20 PM · to November 29, 2026 at 8:20 PM
Name Serversshubhi.ns.cloudflare.com vick.ns.cloudflare.com
Content from the analyzed website
Quoted for security analysis. These statements belong to the source website and are not endorsed by Gridinsoft.
Original page titlePromptDuel - Permissionless AI Evaluation Markets
Original descriptionPermissionless AI evaluation markets. Pairwise judgments of model completions, aggregated under an incentive-compatible scoring rule.
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Help protect others by sharing this page on social media! The more people who know about promptduel.io, the fewer chances they have to deceive someone else.Help others evaluate promptduel.io by sharing this page on social media!
Help protect others by sharing this page on social media! The more people who know about promptduel.io, the fewer chances they have to deceive someone else. Help others evaluate promptduel.io by sharing this page on social media!