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Security report for remix.run

Shopify Inc. · Technology · Canada

Medium risk. 9 critical or high findings in Security headers, GDPR outside view and 2 other checks.

Security score

60/100

Risk levelMedium

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

Remix.run is a modern full stack web framework focused on delivering fast, resilient, and user-friendly web applications by leveraging web standards and modern UX principles. Owned by Shopify Inc., a large Canadian technology company, Remix targets web developers seeking to build better websites with improved performance and developer experience. The website showcases extensive documentation, code examples, and testimonials from industry professionals, positioning Remix as an innovative and competitive player in the web development framework market. Technically, the site uses React, TypeScript, and runs on Cloudflare Workers, supporting serverless and Node.js environments, indicating a mature and scalable infrastructure. Security posture is good with HTTPS enabled and domain protections in place, but lacks DNSSEC and explicit security headers. Privacy and cookie policies are not found, indicating room for compliance improvements. Overall, the site is professional, well-designed, and trustworthy, but could enhance privacy 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

9 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 remix.run

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

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
72
Security headers
15
Email security
70
DNS health
70
Network security
100
GDPR outside view
35
Average
60

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

Remix.run operates as a technology product under Shopify Inc., focusing on developer tools and frameworks. Its business model includes open source framework distribution, documentation, and a commercial store. The target audience is primarily web developers and software engineers. The company benefits from Shopify's brand and resources, enhancing market credibility. The presence of testimonials and social media engagement supports strong community and ecosystem growth. The domain registration aligns with the business entity, reinforcing legitimacy. No direct contact or support emails are provided on the homepage, suggesting reliance on online resources and community support. The site integrates analytics via Fathom, indicating minimal user tracking. Overall, Remix.run is positioned as a high-quality developer-centric product with growth potential in the competitive web framework space.

Security posture

The website enforces HTTPS and uses domain status protections such as clientDeleteProhibited, clientTransferProhibited, and clientUpdateProhibited, which help prevent unauthorized domain changes. However, DNSSEC is not enabled, which could improve DNS security. No explicit security headers like Content-Security-Policy or X-Frame-Options were detected in the provided content, representing an area for enhancement. No sensitive data exposure or vulnerable libraries were identified in the visible content. Forms on the site appear to use standard HTML forms with server-side handling, reducing client-side vulnerabilities. The absence of published security policies, incident response contacts, or vulnerability disclosure mechanisms limits transparency and readiness. Recommendations include enabling DNSSEC, adding security headers, publishing security policies, and providing vulnerability disclosure information to strengthen security posture.

Recommendations

  1. Enable DNSSEC on the domain to enhance DNS security and prevent spoofing.
  2. Implement and publish comprehensive privacy and cookie policies with user consent mechanisms to improve GDPR compliance.
  3. Add explicit security headers such as Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security to harden web security.
  4. Publish a security policy and incident response contact information, including abuse and security email addresses.
  5. Create and maintain a vulnerability disclosure program and security.txt file to encourage responsible reporting and improve security culture.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Shopify Inc.
Description
Remix is a full stack web framework that lets you focus on the user interface and work back through web standards to deliver a fast, slick, and resilient user experience.
Key services
Full stack web framework, Documentation, Blog content, Developer tools and store
Content quality
excellent
Branding
consistent

Technology

Stack
React, TypeScript, Cloudflare Workers, Node.js, Web Fetch API
Frameworks
Remix
Platforms
Cloudflare Workers, Serverless, Node.js
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
80/100
Good practices seen
  • HTTPS enabled
  • Use of clientDeleteProhibited, clientTransferProhibited, clientUpdateProhibited domain statuses

Analytics and tracking

Services
Fathom Analytics
Tracking level
minimal
Privacy practices
poor

Advertising

Tracking pixels
Fathom Analytics
Transparency
basic

Site quality

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

Key observations

  1. Website is a professional, modern web framework site with rich content and code examples.
  2. No explicit privacy, cookie, or terms of service policies found on the homepage content.
  3. Strong branding and consistent design with testimonials from credible industry figures.
  4. Use of modern web technologies and hosting on Cloudflare Workers.
  5. No direct contact emails or phone numbers found on the homepage content.
  6. No security.txt or vulnerability disclosure information detected.
  7. Domain WHOIS data is consistent and shows domain protections but DNSSEC is not enabled.
Technical notes

Notes

The website is built using modern web technologies including React and TypeScript, leveraging the Remix framework. Hosting on Cloudflare Workers provides a performant and scalable platform with global distribution. The site demonstrates excellent mobile optimization, accessibility, and SEO practices with proper meta tags and Open Graph data. Code examples and interactive content enhance developer engagement. Performance is fast with preloading of fonts and assets. However, the lack of detected CMS suggests a custom or framework-based content management approach. The absence of DNSSEC and some security headers indicates minor technical debt in security configuration. Overall, the technical infrastructure is robust, modern, and well-implemented, supporting a high-quality user experience and developer productivity.
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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