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Security report for v8.dev

Google · Technology · United States

Medium risk. 7 critical or high findings in Email security, Security headers and 2 other checks.

Security score

63/100

Risk levelMedium

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

The V8.dev website represents Google's open source V8 JavaScript and WebAssembly engine project. It serves as a technical resource hub for developers and engineers using or contributing to the V8 engine, which powers Chrome, Node.js, and other platforms. The site provides detailed technical content, blog posts, and feature explainers, positioning itself as a leading resource in the JavaScript engine ecosystem. The business model is centered on open source development supported by Google, with a strong market position as a core technology component in major software environments. Technically, the website is well-constructed with modern HTML5, CSS, and JavaScript technologies. It is hosted by Google, ensuring excellent performance, mobile optimization, and accessibility. The site uses ES modules and modern scripting techniques, reflecting a mature digital infrastructure. SEO and navigation are clear and professional, supporting a positive user experience for its technical audience. From a security perspective, the site benefits from Google's robust hosting and HTTPS enforcement, though explicit security headers are not visible in the provided HTML. There are no forms or data collection points, reducing attack surface. However, the absence of a dedicated security policy or vulnerability disclosure program is a minor gap. Privacy compliance is strong due to linkage to Google's comprehensive privacy policy, though no cookie consent mechanism is present on the site itself. Overall, the website is trustworthy, professional, and secure with minimal risk. Strategic recommendations include adding explicit security headers, publishing a security policy and incident response contacts, and implementing a vulnerability disclosure mechanism to enhance security posture and trust.

Scanned

This is an earlier scan of v8.dev. View the latest report

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

7 findings rated critical or high. Fix these first.

  1. Email security

    SPF, DKIM and DMARC stop others sending email that looks like it comes from your domain, a common route to phishing and invoice fraud.

    • Critical

      No email authentication configured

      Domain is vulnerable to email spoofing

      What to do: Implement SPF, DKIM, and DMARC immediately

  2. 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 X-Frame-Options header

      Prevents clickjacking attacks

      What to do: Add "X-Frame-Options: DENY" or "X-Frame-Options: SAMEORIGIN"

    • 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';…

  3. 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

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

Keep watching v8.dev

This scan found 25 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
77
Security headers
30
Email security
40
DNS health
75
Network security
100
GDPR outside view
53
Average
63

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

V8.dev is a strategic Google project focused on the development and dissemination of the V8 JavaScript engine technology. The site targets software developers and enterprises relying on JavaScript and WebAssembly performance improvements. Its competitive advantage lies in Google's backing and integration with Chrome and Node.js, ensuring widespread adoption. The business model is open source with indirect monetization through ecosystem dominance. The site supports growth through technical content and community engagement. Partnerships are implicit with standards bodies like TC39 and WebAssembly groups. The absence of direct commercial offerings suggests a focus on technology leadership and ecosystem influence.

Security posture

The website demonstrates a mature security posture with HTTPS enforced and no visible vulnerabilities or exposed sensitive data. The lack of forms reduces risk of injection or data leakage. However, the absence of explicit security headers and a published security policy or incident response contacts indicates room for improvement. No vulnerability disclosure or security.txt file was found, which could hinder coordinated vulnerability management. Privacy compliance is strong due to Google's overarching policies, but cookie consent mechanisms are missing. Overall, the site is low risk but could enhance transparency and defense-in-depth measures.

Recommendations

  1. Implement and publish explicit HTTP security headers such as Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security.
  2. Create and publish a dedicated security policy page including incident response contacts and vulnerability disclosure guidelines.
  3. Add a security.txt file to facilitate coordinated vulnerability reporting.
  4. Introduce a cookie consent mechanism to comply with privacy regulations and improve user transparency.
  5. Regularly audit third-party links and scripts to ensure no inadvertent security or privacy risks.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Google
Description
V8 is Google’s open source high-performance JavaScript and WebAssembly engine, written in C++. It is used in Chrome and in Node.js, among others. It implements ECMAScript and WebAssembly, and runs on Windows, macOS, and Linux systems that use x64, IA-32, or ARM processors. V8 can be embedded into any C++ application.
Key services
JavaScript engine development, WebAssembly engine development, Open source software contributions, Technical documentation and tooling
Content quality
excellent
Branding
consistent

Technology

Stack
C++, JavaScript, WebAssembly, HTML5, CSS, ES Modules
Platforms
Windows, macOS, Linux, x64, IA-32, ARM
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
90/100
Good practices seen
  • HTTPS enforced (implied by Google hosting and policies)
  • No forms collecting sensitive data
  • No exposed credentials or sensitive data in HTML

Analytics and tracking

Tracking level
minimal
Privacy practices
good

Advertising

Transparency
poor

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 highly technical and targeted at developers.
  3. No contact emails or phone numbers explicitly listed on the site.
  4. No cookie consent mechanism detected despite privacy policy presence.
  5. No forms or data collection fields present on the homepage.
  6. Strong branding and trust signals from Google association.
  7. No advertising or tracking scripts detected.
  8. No explicit security headers visible in provided HTML.
  9. No vulnerability disclosure or security.txt found.
Technical notes

Notes

The website is built with modern web standards including HTML5, CSS, and JavaScript ES modules. It leverages Google hosting infrastructure, ensuring fast load times and high availability. The site is mobile optimized and accessible, with clear navigation and structured content. No CMS or third-party advertising/tracking technologies were detected, reducing complexity and privacy concerns. The technical stack aligns well with the target audience of developers and technical users. Opportunities exist to enhance security headers and implement formal vulnerability disclosure processes to reduce technical risk.
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. 63/100Medium34 findingsView report
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