Is brilliant.org legit?

88
/ 100
Trusted
Industry: Education

Brilliant.org is a highly trusted educational platform, backed by a long-standing domain and robust technical infrastructure. While they have a high number of external scripts and hidden contact info, these aren't critical issues for a well-established company.

Education average: 81/100 · based on 35 sites

Checked: April 18, 2026 at 7:57 AM UTC · Refresh

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

Security 85/100

The site uses a modern TLS configuration and is clear from Google Web Risk, indicating a strong baseline. The primary concern is the significant number of external scripts, which introduces a moderate attack surface if not properly managed.

Identity 95/100

With a domain aged over 25 years and registration through GoDaddy, Brilliant.org projects a well-established and credible identity. This longevity is a strong indicator of a legitimate operation.

Reputation 90/100

Brilliant.org enjoys a solid reputation, evidenced by its clean DNS blacklist status and moderate global traffic (Tranco Rank). Its long history on the internet further reinforces its standing.

Transparency 80/100

The site features complete branding, legal pages, and active social media, showing a good level of public presence. However, the lack of easily accessible contact information on the homepage slightly detracts from full transparency.

Compliance 95/100

Crucially, Brilliant.org provides clear Privacy Policy and Terms of Service pages, demonstrating a commitment to user data handling and legal compliance, which is essential for an online learning platform.

Infrastructure 90/100

The technical foundation is sound, with well-configured DNS settings, strong email authentication (SPF/DMARC), and a fast page load time. Cloudflare as a server is also a strong choice for performance and security.

Signals Detected

[+]
Tranco Rank: Rank #29909

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

[+]
SSL Certificate: Valid

Valid certificate, expires in 63 days

[?]
Certificate Issuer: Let's Encrypt

Certificate issued by Let's Encrypt

[+]
TLS Version: TLS 1.3

Connection uses TLS 1.3

[+]
robots.txt: Present

robots.txt has 31 directives and references a sitemap

[~]
External Scripts: 21 scripts

Excessive number of external scripts — may indicate malicious injection

[+]
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.

[?]
Sitemap: 4 pages

Sitemap found with 4 entries

[+]
Branding: Complete

Site has custom branding and social media metadata

[+]
DNS Blacklists: Clean

Not found on any DNS blacklists

[+]
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 302 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

[+]
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: 535ms

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.