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Security report for yelp.com

Yelp · Retail · United States

Low risk. 1 critical or high finding in GDPR outside view.

Security score

76/100

Risk levelLow

0–100, higher is better. How it is calculated

Yelp operates as a leading online platform providing user-generated reviews and recommendations for local businesses, primarily in the retail and hospitality sectors. The website targets consumers seeking trusted information about restaurants, services, and entertainment options. Yelp's business model combines community-driven content with advertising services for businesses, positioning it as a market leader with a strong brand presence and extensive user base. Technically, Yelp employs modern web technologies including React and ES Modules, hosted on Amazon CloudFront with Envoy proxying. The site demonstrates excellent performance, mobile optimization, and accessibility, supported by comprehensive SEO practices. Security measures include robust SSL/TLS configurations, strict security headers, and content security policies, although there is room for improvement in certificate transparency compliance. From a security and compliance perspective, Yelp maintains strong privacy and cookie policies with GDPR compliance and user consent mechanisms. No critical vulnerabilities or security issues were detected. The domain registration data aligns well with the business claims, reinforcing the site's legitimacy. Overall, Yelp presents a mature, secure, and user-friendly platform with a high level of trustworthiness. Strategic recommendations include enhancing certificate transparency, enabling HSTS preload fully, and continuous monitoring of CSP reports to maintain security posture.

Scanned

This is an earlier scan of yelp.com. View the latest report

NIS2 and GDPR posture

GDPR outside view
58/ 100 · Medium
Checks completed
7of 7

NIS2 Art. 21(2)

  1. (a) Risk analysis and security policies: Not visible from outside
  2. (b) Incident handling: One indicator
  3. (c) Business continuity, backups and crisis management: Not visible from outside
  4. (d) Supply chain security: Not visible from outside
  5. (e) Secure acquisition, development and maintenance, including vulnerability handling: Partly checked
  6. (f) Assessing the effectiveness of security measures: Not visible from outside
  7. (g) Cyber hygiene and security training: Not visible from outside
  8. (h) Cryptography and encryption: Partly checked
  9. (i) HR security, access control and asset management: One indicator
  10. (j) Multi-factor authentication and secured communications: Not visible from outside

This scan rated NIS2 with an earlier keyword method that is no longer shown; rescan for the per-article view. Risk management, continuity, supply chain, training, MFA, management oversight (Art. 20) and incident reporting (Art. 23) need internal evidence, and Guard cannot tell whether NIS2 applies to this organisation.

GDPR is indicative only, based on publicly visible signals: Articles 7, 12, 13 and 32 of Regulation (EU) 2016/679 and Article 5(3) of the ePrivacy Directive. Not a certification or legal assessment.

Priority findings

1 finding rated critical or high. Fix these first.

  1. GDPR outside view

    These are the privacy signals visitors and data protection authorities look for under GDPR.

    • High

      No Cookie Consent Banner found

      GDPR requires explicit consent for non-essential cookies

      What to do: Implement a cookie consent banner that appears on first visit

Need hands-on remediation? Email guard@offseq.com

Keep watching yelp.com

This scan found 13 issues across 6 checks. Monitoring re-runs those checks daily, emails you when something material changes and records each fix, so you can show progress.

Daily monitoring

Recommended

€25per month

  • TLS certificates and expiry
  • DNS records
  • SPF, DKIM and DMARC
  • Security headers
  • GDPR and NIS2 posture
  • Exposed services
  • Third-party trackers
  • Security score drift

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Results by check

Each check with its score, findings and the evidence it collected.

How this score is calculated

The security score runs 0–100, higher is better. It is the plain average of the security checks that completed in this scan, each counted equally. A check that could not run is left out: it counts neither as a pass nor as a fail.

Counted in this score

SSL/TLS
87
Security headers
75
Email security
50
DNS health
85
Network security
100
GDPR outside view
58
Average
76

Not counted

  • NIS2 outside view: Re-weights evidence from the TLS, email, DNS, network and hygiene checks, so counting it would count that evidence twice. Shown on its own.
  • OffSeq Observations: An AI reading of the site, useful context but not reproducible evidence. Shown on its own.

Findings that cap the score at 49

Each of these is serious on its own, so while any is present the site cannot rate better than high risk, however good the other checks are.

  • The certificate is not trusted by browsers
  • The website is not served over HTTPS
  • A database, remote desktop, file-sharing or Telnet service is reachable from the internet
  • The page loads a script from a compromised source
  • The domain registration has expired
  • SPF authorises every server to send mail as the domain

Partial scans

When the site blocks Guard or most checks cannot run, the score covers only the checks that ran (usually DNS and email), is capped at 75 and is shown as partial, without a risk level.

Risk levels

  • Critical0–25
  • High26–49
  • Medium50–75
  • Low76–100

Technical appendix

Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.

Business context

Business profile

Yelp holds a dominant position in the local business review market, leveraging a large community of users to generate content that drives engagement and advertising revenue. Its competitive advantage lies in its brand recognition, extensive business listings, and verified license services. Revenue streams include advertising products, business tools like Yelp Guest Manager, and data services for B2B clients. The platform targets a broad consumer base interested in local services and businesses, with a global footprint supported by multiple localized sites. Partnerships with data providers like Yellow.com.tr enhance business data quality. Growth indicators include continuous feature enhancements and strong mobile app presence.

Security posture

Yelp exhibits a mature security posture with enforced HTTPS, strong security headers, and secure cookie practices. The use of modern TLS protocols and cipher suites mitigates common SSL vulnerabilities. Content Security Policy is implemented with reporting enabled, aiding in proactive threat detection. Privacy policies and cookie consent align with GDPR requirements, reflecting compliance maturity. No exposed sensitive data or vulnerable libraries were identified. Incident response and security policy pages are not explicitly found, suggesting potential areas for transparency improvement. Overall, Yelp demonstrates a robust security culture suitable for its enterprise scale.

Recommendations

  1. Enable full HSTS preload flag in HTTP headers to enhance transport security.
  2. Improve certificate transparency compliance to increase trust and detect misissuance.
  3. Publish explicit security policy and incident response information to improve transparency.
  4. Continue monitoring and refining Content Security Policy based on report-only feedback.
  5. Enhance user-facing privacy controls and disclosures to maintain GDPR leadership.
Technical notes

Notes

Yelp's infrastructure is built on a modern React-based frontend with ES module loading, served via Amazon CloudFront CDN and Envoy proxy, ensuring scalability and performance. The site uses advanced CSS-in-JS styling and supports responsive design for excellent mobile experience. SEO is well implemented with comprehensive meta tags, Open Graph, and JSON-LD structured data. Performance metrics indicate fast load times and efficient resource management. The technology stack is current with no deprecated or vulnerable components detected. Opportunities exist to further optimize certificate transparency and security header configurations.
Standards and sources

Reference chips under each finding point to the standard, regulation or specification the finding relates to. They are taken from the official datasets below and mapped conservatively: a finding with no defensible link shows none. NIS2 and GDPR references mark where a finding is relevant evidence, not a compliance verdict. Implementing Regulation (EU) 2024/2690 binds digital infrastructure and digital service providers; for other entities it is the most detailed public reading of the Article 21 measures. WCAG, EN 301 549, European Accessibility Act and Web Accessibility Directive references name the requirement an automated accessibility rule relates to; they are not a conformance verdict.

Retrieved 2026-10-25

Earlier scans of this domain

  1. 86/100 +4Low19 findingsView report
  2. 82/100Low21 findingsView report
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