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Security report for go.dev

Google LLC · Technology · United States

Medium risk. 3 critical or high findings in Email security and Security headers.

Security score

73/100

Risk levelMedium

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

The website go.dev is the official site for the Go programming language, an open source language developed and supported by Google LLC. It serves as a comprehensive resource for developers, offering documentation, learning resources, downloads, and community engagement. The site is professionally designed with excellent content quality and clear navigation, targeting developers and technical teams building scalable and secure systems. Technically, the site uses modern web technologies including Google Tag Manager and Google Analytics, hosted on Google Cloud infrastructure, ensuring fast performance and mobile optimization. Security posture is strong with HTTPS enforced and no visible vulnerabilities, though explicit security headers and a dedicated security policy page are absent. Privacy compliance is basic with cookie consent implemented but could be enhanced with more detailed disclosures. Overall, the domain registration aligns well with the business entity, indicating high legitimacy and trustworthiness.

Scanned

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

NIS2 and GDPR posture

GDPR outside view
88/ 100 · Low
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

3 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

    • High

      No SPF record found

      SPF helps prevent email spoofing

      What to do: Add SPF record: "v=spf1 include:_spf.yourmailprovider.com ~all"

  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"

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

Keep watching go.dev

This scan found 19 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

Email alerts on material changes and an exportable JSON history of every change.

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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
85
Security headers
45
Email security
40
DNS health
80
Network security
100
GDPR outside view
88
Average
73

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

Breach exposure

Leaked credentials and lookalike domains from OffSeq Breach. The counts are free; the detailed lists are paid add-ons.

Dark web exposure

Add-on

Leaked records that mention go.dev, from OffSeq Breach.

No leaked records found

Breach holds no records for go.dev right now. New leaks arrive continuously, so monitoring on Breach alerts you if that changes.

Monitor on Breach (opens in a new tab)

Technical appendix

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

Business context

Business profile

Go.dev occupies a leading position in the technology sector as the official platform for the Go programming language. Backed by Google, it benefits from strong brand recognition and a large ecosystem of partners and users. The business model revolves around providing open source tools, documentation, and community support rather than direct monetization. The target audience includes software developers, enterprises, and cloud service providers. The site features case studies from major companies, testimonials, and extensive learning resources, indicating a mature and well-supported ecosystem. Partnerships with cloud providers and integration with popular developer tools enhance its competitive advantage. The platform's growth is supported by continuous updates, community engagement, and strong technical infrastructure.

Security posture

The website demonstrates a mature security posture with HTTPS enforced site-wide and no exposed sensitive data. Use of Google Tag Manager allows controlled script management, reducing risk of malicious code injection. However, the absence of explicit security headers such as Content-Security-Policy and Strict-Transport-Security is a gap. No dedicated security policy or incident response contact information is published, which could hinder vulnerability reporting and response. Privacy compliance is basic, with a cookie consent banner but no detailed GDPR or data protection disclosures. Overall, the site is secure for general use but could improve transparency and incident readiness to enhance trust and compliance.

Recommendations

  1. Implement and publish a comprehensive security policy page detailing security practices and commitments.
  2. Add standard security headers including Content-Security-Policy, X-Content-Type-Options, and Strict-Transport-Security to enhance protection.
  3. Provide clear incident response contact information such as security@ or abuse@ email addresses.
  4. Enhance privacy disclosures to explicitly address GDPR compliance and data retention policies.
  5. Regularly audit third-party scripts and tracking tools to minimize privacy risks and improve user trust.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Google LLC
Description
Go is an open source programming language that makes it simple to build secure, scalable systems.
Key services
Programming language development, Documentation and learning resources, Package hosting and distribution, Community engagement and support
Content quality
excellent
Branding
consistent

Technology

Stack
HTML5, CSS3, JavaScript, Google Tag Manager, Google Analytics
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • No exposed sensitive data in HTML
  • Use of Google Tag Manager for controlled script loading

Analytics and tracking

Services
Google Analytics
Tracking level
moderate
Privacy practices
basic

Advertising

Transparency
basic

Site quality

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

Key observations

  1. Website is professionally designed and well-structured.
  2. Content is comprehensive and targeted at developers and technical audiences.
  3. Strong branding consistency with Google and Go programming language.
  4. No contact emails or phone numbers explicitly listed on the homepage or footer.
  5. Cookie consent banner present and functional.
  6. No explicit security policy or incident response contact information found.
  7. Use of Google Analytics and Google Tag Manager for analytics and marketing.
  8. No visible forms collecting personal data on the homepage.
  9. Multiple external links to reputable domains related to Go ecosystem and partners.
Technical notes

Notes

The website is built with modern web standards including HTML5, CSS3, and JavaScript, leveraging Google Tag Manager and Google Analytics for analytics and marketing. Hosting on Google Cloud ensures reliable performance and scalability. The site is mobile optimized and accessible, with clear navigation and structured content. No CMS is detected, indicating a custom-built platform tailored for the Go project. Performance is fast with minimal loading delays. Technical risks are low, but the lack of explicit security headers and detailed privacy policies represent areas for modernization and compliance improvement.
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. 69/100Medium31 findingsView report
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