Is brilliant.org legit?

88
/ 100
Trusted
Industry: Education

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.

Education average: 83/100 · based on 35 sites

Checked: April 27, 2026 at 9:12 PM UTC

Is brilliant.org a scam? Here's what we found.

Security 85/100

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.

Identity 90/100

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.

Reputation 90/100

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.

Transparency 75/100

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.

Compliance 95/100

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.

Infrastructure 90/100

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.

Signals Detected

[+]
Tranco Rank: Rank #29784

This site has moderate global traffic

[?]
Structured Data: None found

No structured data markup found

[?]
Trustpilot: No Trustpilot profile

This business has no Trustpilot presence — not unusual for smaller or newer companies

[~]
External Scripts: 21 scripts

Excessive number of external scripts — may indicate malicious injection

[+]
SSL Certificate: Valid

Valid certificate, expires in 53 days

[?]
Certificate Issuer: Let's Encrypt

Certificate issued by Let's Encrypt

[+]
TLS Version: TLS 1.3

Connection uses TLS 1.3

[+]
DNS Resolution: 4 IP(s)

Resolves to: 2606:4700::6812:90f, 2606:4700::6812:80f, 104.18.8.15, 104.18.9.15

[+]
Email (MX Records): 5 record(s)

Mail servers: aspmx.l.google.com., alt1.aspmx.l.google.com., alt2.aspmx.l.google.com., aspmx2.googlemail.com., aspmx3.googlemail.com.

[+]
SPF Record: Present

Domain has SPF email authentication configured

[+]
DMARC Record: Present

Domain has DMARC email authentication configured

[+]
Name Servers: 2 server(s)

DNS providers: hank.ns.cloudflare.com., rita.ns.cloudflare.com.

[+]
robots.txt: Present

robots.txt has 31 directives and references a sitemap

[+]
Branding: Complete

Site has custom branding and social media metadata

[?]
Sitemap: 4 pages

Sitemap found with 4 entries

[+]
Domain Age: 25 years, 6 months

Domain created 2001-02-14T11:45:26Z (25 years, 6 months ago)

[?]
Registrar: GoDaddy.com, LLC

Registered through GoDaddy.com, LLC

[+]
Domain Expiry: 2027-02-14T11:45:23Z

Expires in 292 days

[+]
DNSSEC: unsigned

DNSSEC status from WHOIS

[+]
HSTS Header: Present

Site enforces HTTPS via HSTS

[+]
Clickjacking Protection: Present

X-Frame-Options: SAMEORIGIN

[?]
Server: cloudflare

Web server: cloudflare

[+]
Google Web Risk: Clean

No threats detected by Google Web Risk

[+]
DNS Blacklists: Clean

Not found on any DNS blacklists

[+]
Website Status: Online

Website is live and responding

[~]
Contact Info: Not found

No obvious contact information found on homepage

[+]
Legal Pages: Privacy & Terms found

Website has both privacy policy and terms of service pages

[+]
Social Media Presence: 4 platforms

Website links to multiple social media platforms

[?]
Web Archive: Unable to check

Could not query Wayback Machine

[?]
Certificate Transparency: Unable to check

Could not query certificate transparency logs

[+]
Page Load Time: 605ms

Fast page load

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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.