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Security report for gatsbyjs.com

Gatsby · Technology · N/a

Low risk. 4 critical or high findings in Security headers, GDPR outside view and 1 other check.

Security score

77/100

Risk levelLow

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

Gatsby is a leading React-based open source framework designed for building performant, scalable, and secure websites and applications. It targets developers and enterprises seeking fast web development with modern technologies such as React and GraphQL. The company is positioned strongly in the web development ecosystem, supported by its parent company Netlify, which provides deployment and hosting services. The website reflects a mature digital presence with excellent design, mobile optimization, and SEO practices. Technically, Gatsby leverages modern JavaScript frameworks and integrates with reputable platforms, ensuring a robust infrastructure. Security posture is strong with HTTPS enforcement and security headers, though explicit security policies and incident response details are not publicly documented. Privacy compliance is well addressed with comprehensive privacy and cookie policies, including GDPR considerations. Overall, the website and business demonstrate high professionalism and trustworthiness, though WHOIS data is unavailable likely due to privacy protection, which slightly impacts business credibility scoring.

Scanned

NIS2 and GDPR posture

GDPR outside view
53/ 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

4 findings rated critical or high. Fix these first.

  1. Security headers

    Security headers are instructions your web server sends to every visitor’s browser. Missing ones leave visitors more exposed to attacks such as clickjacking and injected scripts.

    • High

      Missing Content-Security-Policy header

      Controls resources the browser is allowed to load

      What to do: Implement a Content-Security-Policy appropriate for your application

      • ASVS V3.4.3
      • OWASP Secure Headers: OWASP Secure Headers Project recommends Content-Security-Policy: default-src 'self'; form-action 'self'; base-uri 'self'; object-src 'none';…

  2. GDPR outside view

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

    • High

      No Cookie Policy found

      GDPR requires clear information about cookie usage

      What to do: Add a dedicated cookie policy explaining cookie usage and purposes

    • 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

  3. 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.

    • High

      Weak SSL Key Length

      SSL certificate uses 256-bit key, which is considered weak

      What to do: Use at least 2048-bit RSA or 256-bit ECC key

      • CWE-326
      • OWASP A04:2025
      • Mozilla TLS: Mozilla Server Side TLS 6.0 intermediate: rsa_key_size 2048

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

Keep watching gatsbyjs.com

This scan found 17 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.

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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
75
Security headers
65
Email security
85
DNS health
85
Network security
100
GDPR outside view
53
Average
77

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

Gatsby operates in the technology sector as an essential entity providing an open source React framework that accelerates web development. Its business model combines open source software with commercial cloud deployment services via Netlify. The company targets developers, agencies, and enterprises requiring scalable and secure web solutions. Market positioning is strong as a leader in React-based static site generation, with competitive advantages including performance optimization and seamless integration with modern web platforms. The partnership with Netlify enhances its ecosystem and growth potential. Revenue streams likely include commercial hosting, support, and enterprise features. The company maintains a consistent brand and high-quality content, supporting its market presence and growth trajectory.

Security posture

The website demonstrates a mature security posture with HTTPS enabled and multiple security headers implemented, reflecting adherence to best practices. No vulnerabilities or exposed sensitive data were detected in the analyzed content. However, the absence of a published security policy, incident response contacts, and vulnerability disclosure program indicates room for improvement in transparency and readiness. GDPR compliance is evident through privacy and cookie policies, but explicit data protection officer contact information is missing. The use of third-party analytics and tracking services is moderate and managed with privacy considerations. Overall, the security maturity is good but could be enhanced by formalizing security governance and incident response documentation.

Recommendations

  1. Publish a dedicated security policy page detailing security practices and controls.
  2. Establish and publicize an incident response contact channel (e.g., security@ or abuse@ email).
  3. Implement and link to a vulnerability disclosure program and security.txt file.
  4. Provide clear contact information for the Data Protection Officer or privacy lead.
  5. Regularly review and audit third-party scripts and tracking tools to minimize privacy risks.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Gatsby
Description
Gatsby is a React-based open source framework with performance, scalability and security built-in. Collaborate, build and deploy 1000x faster on Netlify.
Key services
Open source React framework, Performance optimization, Scalable web development, Integration with Netlify for deployment
Content quality
excellent
Branding
consistent

Technology

Stack
React, GatsbyJS, JavaScript, GraphQL
Frameworks
Gatsby 4.24.6
Platforms
Netlify
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Secure cookies
  • No exposed sensitive data in HTML
  • Use of modern JavaScript frameworks

Analytics and tracking

Services
Segment, Google Tag Manager
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
Segment
Marketing tools
Segment Analytics
Transparency
basic

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 rich, professional, and technology-focused.
  3. Strong use of modern web technologies and frameworks.
  4. Privacy and cookie policies are present and GDPR compliant.
  5. No direct company contact emails or phone numbers found in HTML; contact is via form and social media.
  6. No explicit security policy or incident response information published.
  7. WHOIS data is unavailable, likely due to privacy protection.
  8. Use of reputable analytics and tracking services with moderate user tracking.
  9. No adult or questionable content detected.
Technical notes

Notes

The website is built on a modern technology stack centered around React and GatsbyJS framework version 4.24.6, utilizing GraphQL for data querying. Hosting is inferred to be on Netlify, a reputable cloud platform. The site demonstrates fast performance, excellent mobile responsiveness, and good accessibility features. SEO optimization is well implemented with comprehensive meta tags and Open Graph data. The use of Segment and Google Tag Manager indicates a mature analytics setup. No CMS is explicitly detected, suggesting a static site generation approach. The technical infrastructure is modern and well-maintained, supporting a high-quality user experience and scalable deployment.
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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