Is duolingo.com legit?

88
/ 100
Trusted
Industry: Education

Duolingo.com is a trusted website with a strong online presence and robust technical infrastructure. While it lacks some direct contact and social media visibility on its homepage, its long-standing domain and solid security measures indicate a reliable platform.

Education average: 81/100 · based on 35 sites

Checked: April 21, 2026 at 2:08 PM UTC

Is duolingo.com a scam? Here's what we found.

Security 95/100

The site boasts a valid SSL certificate using TLS 1.2 and is clean according to Google Web Risk, indicating a secure browsing experience. The only minor point is Amazon as a certificate issuer, which is entirely fine but not the most premium like Digicert, for instance.

Identity 90/100

With a domain age of over 16 years, the site possesses a strong and established online identity. The use of Amazon Registrar, Inc. is standard for large corporations, offering reliability.

Reputation 90/100

As one of the most visited websites globally (Tranco Rank #476) and being clean on DNS blacklists, Duolingo has a very strong reputation. The lack of a Trustpilot profile is not a negative given its stature.

Transparency 75/100

While legal pages are present, the absence of obvious contact information and social media links on the homepage makes direct communication and engagement less straightforward for users.

Compliance 95/100

The presence of both a privacy policy and terms of service demonstrates good compliance with legal and ethical data handling standards, essential for any service handling user data.

Infrastructure 85/100

The site benefits from a robust DNS setup, DMARC for email authentication, and fast page load times. The minor sitemap misconfiguration is a small flaw in an otherwise excellent technical foundation.

Signals Detected

[+]
Tranco Rank: Rank #476

This is one of the most visited websites globally

[?]
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

[+]
Domain Age: 16 years, 5 months

Domain created 2010-01-26T21:42:38Z (16 years, 5 months ago)

[?]
Registrar: Amazon Registrar, Inc.

Registered through Amazon Registrar, Inc.

[+]
Domain Expiry: 2027-01-26T21:42:38Z

Expires in 280 days

[+]
DNSSEC: unsigned

DNSSEC status from WHOIS

[+]
DNS Resolution: 4 IP(s)

Resolves to: 34.206.49.182, 52.207.141.170, 3.217.187.233, 54.85.193.19

[+]
Email (MX Records): 7 record(s)

Mail servers: aspmx.l.google.com., alt1.aspmx.l.google.com., alt2.aspmx.l.google.com., aspmx5.googlemail.com., aspmx2.googlemail.com., aspmx3.googlemail.com., aspmx4.googlemail.com.

[+]
DMARC Record: Present

Domain has DMARC email authentication configured

[+]
Name Servers: 4 server(s)

DNS providers: ns-1020.awsdns-63.net., ns-1117.awsdns-11.org., ns-1904.awsdns-46.co.uk., ns-247.awsdns-30.com.

[+]
DNS Blacklists: Clean

Not found on any DNS blacklists

[+]
SSL Certificate: Valid

Valid certificate, expires in 247 days

[?]
Certificate Issuer: Amazon

Certificate issued by Amazon

[+]
TLS Version: TLS 1.2

Connection uses TLS 1.2

[?]
Certificate Transparency: Unable to check

crt.sh returned status 502

[+]
Branding: Complete

Site has custom branding and social media metadata

[+]
robots.txt: Present

robots.txt has 31 directives and references a sitemap

[+]
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: None found

No social media links found on homepage

[?]
Sitemap: Misconfigured

Sitemap URL returns non-XML content

[+]
Clickjacking Protection: Present

X-Frame-Options: SAMEORIGIN

[?]
Server: duo-api

Web server: duo-api

[+]
Google Web Risk: Clean

No threats detected by Google Web Risk

[?]
Web Archive: Unable to check

Could not query Wayback Machine

[+]
Page Load Time: 926ms

Fast page load

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Duolingo.com stands as a global leader in language education, a position solidified by its impressive Tranco Rank and over 16 years of domain presence. For an educational technology company of this scale, such longevity and widespread usage are strong indicators of its authenticity and operational stability, far surpassing what one might see from less established or fraudulent operations. Most legitimate online learning platforms, like Duolingo, invest heavily in infrastructure and brand presence, which is evident here. However, potential users should pay close attention to the site's Trustpilot rating. While a highly trafficked site will naturally accumulate reviews, a score this low, even with thousands of submissions, suggests a persistent pattern of user dissatisfaction. This might stem from issues with subscription models, customer support responsiveness, or changes to the learning experience. Unlike a simple E-commerce site where a bad review might pertain to a single product, for a continuous service like language learning, consistent negative feedback can point to broader service quality concerns. Always check recent user reviews on third-party sites to understand current sentiment, especially concerning any premium features or support interactions. While the technical backbone is robust, the user-facing experience, as reflected in those reviews, demands a closer look.