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Security report for pub.dev

Google LLC · Technology · United States

Low risk. 1 critical or high finding in DNS health.

Security score

84/100

Risk levelLow

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

Pub.dev is the official package repository for the Dart programming language and Flutter framework, operated by Google LLC. It serves as a central platform for developers to find, publish, and manage reusable libraries and packages, supporting the vibrant Dart and Flutter ecosystems. The website is professionally designed, highly functional, and targets software developers using Dart and Flutter technologies. It holds a strong market position as the authoritative source for Dart and Flutter packages, backed by Google's brand and infrastructure. Technically, the site leverages modern web technologies including Dart and Flutter Web, integrates Google Analytics and Tag Manager for traffic analysis, and employs Material Design for UI consistency. The hosting and infrastructure are presumably on Google Cloud Platform, ensuring fast performance and excellent mobile optimization. The site is accessible, SEO optimized, and provides a smooth user experience with clear navigation and search capabilities. From a security perspective, pub.dev enforces HTTPS, implements multiple security headers, and includes a cookie consent mechanism aligned with privacy regulations such as GDPR. While no explicit vulnerability disclosure or incident response contacts are publicly listed, the site shows no signs of vulnerabilities or exposed sensitive data. The WHOIS data confirms domain ownership by Google LLC, reinforcing trust and legitimacy. Overall, pub.dev demonstrates a mature digital presence with strong business credibility, technical robustness, and a secure environment suitable for its developer audience. Strategic recommendations include publishing a formal vulnerability disclosure policy and incident response contacts to further enhance security transparency and trust.

Scanned

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

NIS2 and GDPR posture

GDPR outside view
83/ 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

1 finding rated critical or high. Fix these first.

  1. DNS health

    DNS sends visitors and email to the right servers. Misconfigured records can cause outages or let someone redirect your traffic.

    • High

      No Name Servers Found

      Unable to find name servers for domain

      What to do: Configure proper name servers for the domain

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

Keep watching pub.dev

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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Full report

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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
95
Security headers
85
Email security
70
DNS health
70
Network security
100
GDPR outside view
83
Average
84

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

Pub.dev operates as a critical platform service within the technology sector, specifically targeting software developers in the Dart and Flutter communities. Its business model revolves around providing a centralized package repository and management system, facilitating open-source collaboration and ecosystem growth. The platform benefits from Google's backing, which provides competitive advantages such as brand trust, infrastructure scale, and integration with other Google developer tools. Revenue streams are indirect, likely tied to Google's broader developer ecosystem and cloud services. The target customers are developers and organizations building Dart and Flutter applications. Growth indicators include active package publishing, trending packages, and curated Flutter Favorites. The partnership ecosystem includes official Flutter and Dart sites, Firebase, and monitoring services like Datadog, reflecting a well-integrated developer toolchain.

Security posture

The security posture of pub.dev is strong, with enforced HTTPS, comprehensive security headers, and a cookie consent mechanism supporting privacy compliance. No exposed sensitive data or vulnerable libraries were detected in the analyzed content. However, the absence of a publicly visible vulnerability disclosure policy or security.txt file and lack of explicit incident response contact information represent minor gaps in transparency and readiness. The site benefits from Google's security infrastructure and best practices, but publishing these policies would improve trust and compliance. Overall, the platform is secure for its intended use, with low risk of compromise or data leakage.

Recommendations

  1. Publish a formal vulnerability disclosure policy or security.txt file to guide security researchers and users.
  2. Provide clear incident response contact information, such as security@ or abuse@ email addresses.
  3. Enhance transparency by linking to security certifications or compliance attestations if available.
  4. Regularly review and update privacy and cookie policies to maintain GDPR and other regulatory compliance.
  5. Continue monitoring third-party scripts and analytics 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
Pub is the package manager for the Dart programming language, containing reusable libraries & packages for Flutter and general Dart programs.
Key services
Package hosting, Package search, Package scoring and pub points, Publishing packages, Flutter and Dart package ecosystem support
Content quality
excellent
Branding
consistent

Technology

Stack
Dart, Flutter, Google Analytics, Google Tag Manager, Material Design CSS, JavaScript
Frameworks
Flutter Web
Platforms
Web
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
90/100
Good practices seen
  • HTTPS enforced
  • Cookie consent bar
  • No exposed sensitive data in HTML
  • Use of verified publisher badges

Analytics and tracking

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

Advertising

Transparency
good

Site quality

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

Key observations

  1. Official package repository for Dart and Flutter maintained by Google.
  2. High-quality, professional website with comprehensive package listings and developer resources.
  3. Strong security posture with HTTPS and security headers.
  4. Clear privacy and cookie policies with consent mechanisms.
  5. No direct contact emails or phone numbers publicly listed.
  6. Use of Google analytics and tag manager for traffic analysis.
  7. No signs of suspicious or malicious content.
  8. Content is developer-focused and safe for general audiences.
Technical notes

Notes

Pub.dev is built using Dart and Flutter Web technologies, leveraging Google's Material Design for UI styling and Google Analytics and Tag Manager for user behavior tracking. The site is hosted on Google infrastructure, ensuring fast load times and high availability. The HTML is valid and well-structured, with proper meta tags for SEO and social sharing (Open Graph and Twitter cards). Accessibility features are present, and the site is mobile optimized. No CMS was detected, indicating a custom-built platform. The technical stack is modern and well-maintained, with no visible technical debt or deprecated libraries. Opportunities exist to enhance security transparency and incident response readiness.
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. 85/100Low21 findingsView report
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