Domain Due Diligence
Report for Quizlet.com
Why we think so
Quizlet.com is a well-established education platform offering free study tools like flashcards and games. It attracts about 68 million visits monthly, mainly from the US. The site uses reputable technical infrastructure such as Cloudflare CDN and Google Analytics. Its domain is securely registered with GoDaddy since 2004 and protected by valid SSL certificates. Quizlet is a registered trademark of Quizlet, Inc., based in San Francisco, with no blacklisting detected on scam or phishing lists. User reviews highlight strong education value but note complaints about billing policies and customer service. Several lawsuits focus on copyright issues related to user-generated content. Overall, Quizlet combines robust infrastructure and legal presence with some customer service concerns.
Risk Insights
Trusted Educational Platform
Billing and Service Issues
Contradictory Signals
Quizlet is a legitimate business, but users should be mindful of subscription terms.
Signal A: Strong legal trademarks and physical office
Signal B: Customer complaints about billing and service
Category Scores
Red Flags & Warnings
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Complaints about automatic subscription renewals and slow refund responses.
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Customer reports of difficulty unsubscribing and receiving persistent billing charges.
🔎 Detailed Checks & Analysis
Domain age and registrar check
Domain age and registrar check
"Older domain age generally signals legitimacy; registrar is reputable."
Reason: quizlet.com is registered since 2004 with GoDaddy, showing a long and stable registration history.
SSL certificate validity
SSL certificate validity
"SSL uses ECDSA with SHA384, a strong signature algorithm."
Reason: SSL certificate is valid and issued recently, ensuring secure connections.
Traffic volume and traffic sources
Traffic volume and traffic sources
"Traffic profiles indicate active user engagement consistent with a major education platform."
Reason: High monthly visits (~68 million) with significant direct and search traffic.
Reputation on blacklists and safe browsing
Reputation on blacklists and safe browsing
"Absence from blacklists supports safety."
Reason: No indication of scam or phishing detected by crypto scam sniffer or Google Safe Browsing.
Trademark presence
Trademark presence
"Registered owner Quizlet, Inc. based in San Francisco."
Reason: Multiple active USPTO trademarks confirm brand legitimacy and legal protection.
User feedback and complaints
User feedback and complaints
"These issues warrant caution but do not indicate fraud."
Reason: Users value Quizlet's study tools but report notable billing and customer service complaints.
Physical and business presence
Physical and business presence
"Physical presence adds to business credibility."
Reason: Confirmed office location in San Francisco with business listings and ratings.
Your Next Steps
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1Verify subscription terms carefully before purchase to avoid billing issues.
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2Use official support channels for billing or refund requests.
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3Monitor reviews and news for ongoing developments in copyright disputes.
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4Avoid sharing sensitive personal information on user-generated content platforms.
Evidence & Citations
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SimilarWeb Site Overview for Quizlet.com
Traffic statistics and user geography data
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Whois Lookup for Quizlet.com
Domain registration since 2004 with GoDaddy, valid SSL certificate
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US Patent and Trademark Office Trademark Search for QUIZLET
Multiple active trademarks for educational services
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Better Business Bureau Complaints Summary for Quizlet Inc.
User complaints primarily about billing and customer service responsiveness
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