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Security report for opentable.sg

OpenTable · Hospitality · Singapore

Partial score · DNS & email only

69/100

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

OpenTable.sg is a regional website of the global OpenTable brand, providing an online platform for restaurant discovery and table reservations primarily targeting consumers in Singapore. The site offers 24/7 booking services and integrates restaurant management software solutions, positioning itself as a leading player in the hospitality reservation industry. The website is professionally designed with excellent content quality and clear navigation, supporting a seamless user experience across devices. Technically, the site employs modern web technologies including React, Google Analytics 4, and OneTrust for privacy compliance, ensuring robust performance and user tracking capabilities. Security posture is strong with HTTPS enforcement, CSP headers, and CSRF tokens, though explicit security policies and incident response contacts are not publicly disclosed. Overall, the domain appears legitimate and consistent with the OpenTable brand, though WHOIS data for the specific .sg subdomain is unavailable, likely due to privacy protection or subdomain usage. Strategic recommendations include enhancing transparency around security policies and incident response to further build user trust.

Scanned

NIS2 and GDPR posture

GDPR outside view
88/ 100 · Low
Checks completed
6of 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. SSL/TLS

    TLS encrypts the connection and proves the site is really yours. Weak or expiring certificates trigger browser warnings and put traffic at risk.

    • Critical

      Unable to retrieve SSL certificate

      Could not establish secure connection to retrieve certificate information

      What to do: Check if the server is accessible and SSL/TLS is properly configured

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

Keep watching opentable.sg

This scan found 9 issues across 5 checks. Monitoring re-runs those checks daily, emails you when something material changes and records each fix, so you can show progress.

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  • 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
0
Email security
70
DNS health
85
Network security
100
GDPR outside view
88
Average
69

Not counted

  • Security headers: did not complete in this scan.
  • 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

OpenTable operates a global restaurant reservation network with localized domains including opentable.sg for Singapore. The business model centers on connecting diners with restaurants via an online platform, generating revenue through restaurant management solutions and booking fees. The site targets consumers seeking convenient dining reservations and restaurants looking for management tools. The presence of multiple international domains and localized content indicates a mature partnership ecosystem and strong market positioning. The platform leverages affiliate marketing and analytics tools to optimize user engagement and growth. However, direct contact information is limited on the site, which may impact direct customer support visibility. The company maintains a consistent brand image and offers comprehensive legal and privacy documentation, supporting regulatory compliance and user confidence.

Security posture

The website demonstrates a mature security posture with enforced HTTPS, modern security headers including Content-Security-Policy with nonce, and CSRF protection tokens embedded in page scripts. Privacy compliance is supported by a comprehensive privacy policy, cookie policy with consent mechanisms, and GDPR adherence indicators. No vulnerabilities or exposed sensitive data were detected in the analyzed content. However, the absence of a dedicated security policy page, incident response contacts, and vulnerability disclosure mechanisms suggests areas for improvement in transparency and readiness. The use of reputable third-party services for analytics and cookie management further strengthens the security ecosystem. Overall, the site is secure for users but could enhance trust by publishing explicit security and incident response information.

Recommendations

  1. Publish a dedicated security policy page outlining security practices and standards.
  2. Provide clear incident response contact information such as security@ or abuse@ email addresses.
  3. Implement and publicize a vulnerability disclosure or bug bounty program to encourage responsible reporting.
  4. Enhance transparency around data retention policies and user data handling.
  5. Maintain regular security audits and update third-party libraries to mitigate potential vulnerabilities.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
OpenTable
Description
Restaurant booking available 24/7: Find and book a table from the best restaurants on OpenTable Australia - the restaurant reservation site trusted by 1000s of Aussies to book the perfect table.
Key services
Restaurant discovery, Online table booking, Restaurant management software
Content quality
excellent
Branding
consistent

Technology

Stack
Google Tag Manager, Google Analytics 4, OneTrust Cookie Consent, Stripe Payment API
Frameworks
React
Platforms
Web
Performance
fast
Mobile
excellent
Accessibility
good
SEO
excellent

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • CSRF token present in page variables
  • Cookie consent mechanism implemented

Analytics and tracking

Services
Google Analytics 4, Mixpanel
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
Google Analytics 4
Marketing tools
Mixpanel
Transparency
good

Site quality

Design
excellent
User experience
excellent
Content relevance
excellent
Navigation
excellent
Professionalism
excellent
Trustworthiness
high

Key observations

  1. Website is fully accessible with no blocking or WAF challenges.
  2. Content is professionally presented and relevant to restaurant reservations.
  3. Strong privacy and cookie policies with consent mechanisms are implemented.
  4. No direct contact emails or phone numbers found on the homepage or footer.
  5. WHOIS data for the domain is unavailable, indicating privacy protection or non-registration at the subdomain level.
  6. Multiple international OpenTable domains linked, showing global network.
  7. Use of modern web technologies and analytics tools.
  8. No security or vulnerability disclosures found.
  9. No incident response or security contact information found.
Technical notes

Notes

The website is built using modern web technologies, including React for frontend rendering, and integrates Google Analytics 4 and Mixpanel for user behavior tracking. Cookie consent is managed via OneTrust, ensuring compliance with privacy regulations. The site uses modular JavaScript and CSS with preconnect and dns-prefetch optimizations for performance. The presence of CSRF tokens and nonce-based Content-Security-Policy indicates attention to security best practices. The site is mobile-optimized with responsive design and accessibility considerations. Hosting details are not explicitly disclosed, but the use of CDN domains suggests a distributed content delivery approach. Overall, the technical infrastructure supports fast, secure, and user-friendly operations with room for enhanced transparency in hosting and backend technologies.
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

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