Homeβ€Ί Educationβ€Ί brilliant.org
Trusted

Yes β€” brilliant.org looks safe

88/ 100 trust score
Industry: Education Checked Apr 27, 2026 Education average: 65 31 signals
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In plain English

This site appears trustworthy and well-maintained. While it lacks readily available contact information and has a noticeable number of external scripts, its core infrastructure, security, and legal protections are robust, indicating a reliable online presence.

Cross-referenced 31 live signals from Google Safe Browsing, VirusTotal, WHOIS and more on Apr 27, 2026. How we score β†’

Where the score comes from

We look at six areas. Here's how brilliant.org did in each.
85
Security

The site has a strong security posture with modern TLS 1.3, a valid SSL certificate, HSTS, and clickjacking protection. Google Web Risk and DNS Blacklists report no threats, though the high number of external scripts introduces a minor concern.

90
Identity

With a domain age of over 25 years and clear WHOIS information, the site benefits from established credibility and transparent ownership. Cloudflare's role as a DNS provider is also a positive indicator.

90
Reputation

The site has a good Tranco rank and a long operational history, indicating a well-established web presence. Clean DNS blacklists further support its good reputation, although the lack of a Trustpilot profile is a minor neutral point.

75
Transparency

The site provides legal pages and has a strong social media presence, promoting engagement. However, the absence of easily found contact information on the homepage slightly diminishes its transparency.

95
Compliance

The presence of both a privacy policy and terms of service demonstrates a commitment to legal and user protections. This is a crucial aspect for user trust and regulatory compliance.

90
Infrastructure

The site boasts robust infrastructure with multiple IP addresses for DNS resolution, secure email configuration via SPF and DMARC records, and Cloudflare nameservers. The DNSSEC status is unsigned, which is a minor neutral, but overall the setup is solid.

What we checked

The 31 signals behind this report.
Security & Transport
External Scripts
21 scripts
SSL Certificate
Valid
Certificate Issuer
Let's Encrypt
TLS Version
TLS 1.3
HSTS Header
Present
Clickjacking Protection
Present
Server
cloudflare
Google Web Risk
Clean
Identity & WHOIS
Branding
Complete
Domain Age
25 years, 6 months
Registrar
GoDaddy.com, LLC
Domain Expiry
2027-02-14T11:45:23Z
Contact Info
Not found
Legal Pages
Privacy & Terms found
Infrastructure & DNS
DNS Resolution
4 IP(s)
Email (MX Records)
5 record(s)
SPF Record
Present
DMARC Record
Present
Name Servers
2 server(s)
DNSSEC
unsigned
DNS Blacklists
Clean
Page Load Time
605ms
Reputation & Reach
Tranco Rank
Rank #29784
Structured Data
None found
Trustpilot
No Trustpilot profile
robots.txt
Present
Sitemap
4 pages
Website Status
Online
Social Media Presence
4 platforms
Web Archive
Unable to check
Other
Certificate Transparency
Unable to check

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brilliant.org
88
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When evaluating an online educational platform like Brilliant.org, a key question many learners ask is about its legitimacy and trustworthiness. Brilliant.org stands out in the education sector with a history spanning over two decades. A domain age of 25 years is exceptionally rare and speaks volumes about the business's stability and long-term commitment, far surpassing many newer educational tech startups.

Unlike transient online courses or less established learning sites, Brilliant.org's advanced age and consistent online presence suggest a mature operation. While the absence of structured data for search engines is a minor technical oversight, it doesn't detract from the site's overall credibility. Similarly, the lack of a Trustpilot profile isn't uncommon for many established platforms that focus on direct user engagement rather than third-party review sites for their primary feedback loop.

For an educational site, having clear legal pages like a Privacy Policy and Terms of Service is paramount for user trust and data handling. Brilliant.org excels here, providing all the necessary documentation that users expect. While the number of external scripts is something to keep an eye on from a security perspective – as it could theoretically increase exposure to vulnerabilities – it's often a side effect of incorporating diverse educational tools and analytics on complex learning platforms. A legitimate platform like Brilliant.org typically employs robust internal security measures to mitigate such risks. The lack of immediately visible contact information on the homepage is a slight inconvenience but is often offset by dedicated support portals or FAQs within the site itself.

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