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Security report for solidjs.com

SolidJS project · Technology · N/a

Medium risk. 8 critical or high findings in Security headers, GDPR outside view and 1 other check.

Security score

65/100

Risk levelMedium

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

SolidJS is an open-source JavaScript library focused on providing a performant and reactive approach to building user interfaces. It is well-positioned in the frontend development ecosystem with a strong community presence, evidenced by over 32,000 GitHub stars and multiple sponsors from leading technology companies. The website offers comprehensive documentation, tutorials, and ecosystem tools targeting JavaScript developers and frontend engineers seeking efficient UI solutions. Technically, the site is modern, leveraging ES modules, JSX, and TypeScript support, hosted on Cloudflare Pages with fast performance and excellent mobile optimization. Security posture is solid with HTTPS enforced and no visible vulnerabilities, though improvements could be made by adding explicit security headers and formal privacy policies. The WHOIS data is incomplete or missing, which is unusual but does not detract significantly from the site's legitimacy given its active community and open-source nature. Overall, SolidJS presents a trustworthy and professional digital presence with room for enhanced compliance and security transparency.

Scanned

NIS2 and GDPR posture

GDPR outside view
35/ 100 · High
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

8 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 Strict-Transport-Security header

      Forces HTTPS connections

      What to do: Add "Strict-Transport-Security: max-age=31536000; includeSubDomains; preload"

      • CWE-319
      • OWASP A04:2025
      • ASVS V3.4.1
    • 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';…

  2. GDPR outside view

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

    • High

      No Privacy Policy found

      GDPR requires a clear and accessible privacy policy

      What to do: Add a comprehensive privacy policy page and link to it prominently

    • 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

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

Keep watching solidjs.com

This scan found 22 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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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
75
Security headers
30
Email security
75
DNS health
75
Network security
100
GDPR outside view
35
Average
65

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

SolidJS operates as a technology-focused open-source project with a business model centered on community support, sponsorships, and merchandise sales. Its competitive advantage lies in its high performance and developer-friendly reactive primitives, appealing to modern frontend developers. The project targets software engineers and developers interested in efficient UI frameworks, with growth indicators including active community engagement and sponsorship from major tech companies. The partnership ecosystem includes Cloudflare, Netlify, Vercel, and JetBrains, enhancing its credibility and reach. Strategic observations suggest continued investment in compliance documentation and security best practices would strengthen market trust and adoption.

Security posture

The website demonstrates a mature security posture with enforced HTTPS and no exposed sensitive data. However, the absence of common security headers such as Content Security Policy (CSP), HTTP Strict Transport Security (HSTS), and X-Frame-Options indicates room for improvement. No vulnerability disclosures or incident response contacts are published, which could hinder rapid response to security incidents. Privacy compliance is minimal, lacking explicit privacy and cookie policies, which may pose regulatory risks especially under GDPR. The security culture appears community-driven but would benefit from formalized policies and transparency. Overall, the security maturity is good but not comprehensive.

Recommendations

  1. Implement and publish a comprehensive privacy policy and cookie policy to improve GDPR compliance.
  2. Add standard security headers (CSP, HSTS, X-Frame-Options) to enhance protection against common web attacks.
  3. Establish a vulnerability disclosure policy and provide clear incident response contact information.
  4. Include verified company contact emails and phone numbers to improve trust and communication channels.
  5. Regularly audit WHOIS and domain registration information to ensure transparency and legitimacy.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
SolidJS project
Description
A declarative, efficient and flexible JavaScript library for building user interfaces.
Key services
JavaScript UI library, Documentation, Tutorials, Ecosystem tools, Playground for code experimentation, Community engagement
Content quality
excellent
Branding
consistent

Technology

Stack
JavaScript, TypeScript, JSX, ES Modules
Frameworks
SolidJS
Platforms
Web
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced (implied by https URL and Cloudflare hosting)
  • No exposed sensitive data in HTML
  • No visible vulnerable libraries
  • Secure form with email input and submit button

Analytics and tracking

Services
Cloudflare Pages Analytics
Tracking level
minimal
Privacy practices
poor

Advertising

Tracking pixels
Cloudflare Pages 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 rich content and no blocking detected.
  2. No explicit privacy, cookie, or terms of service policies found on main page.
  3. Contact information limited to newsletter signup form; no direct emails or phone numbers found.
  4. Strong community and open-source trust signals present.
  5. No security headers detected in HTML source; potential area for improvement.
  6. Website uses modern JavaScript modules and SolidJS framework.
  7. Hosting via Cloudflare Pages with Cloudflare analytics script present.
  8. No suspicious or malicious content detected.
  9. No adult or NSFW content present.
Technical notes

Notes

The website is built on a modern technology stack featuring SolidJS framework, TypeScript, and JSX, ensuring high performance and developer ergonomics. Hosting on Cloudflare Pages provides robust infrastructure and fast content delivery. The site is well-optimized for mobile devices and accessibility, with clean semantic HTML and responsive design. Performance benchmarks indicate fast load times and efficient resource usage. Technical debt appears minimal, but the lack of CMS and formalized compliance content suggests opportunities for further modernization. Monitoring and enhancing security headers and compliance documentation would mitigate technical risks impacting business operations.
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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