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Security report for rsms.me

Technology · United States

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

Security score

58/100

Risk levelMedium

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

The website rsms.me is a personal portfolio and project showcase site for Rasmus Andersson, a Swedish software developer based in San Francisco. The site highlights various software projects, technical talks, and the Inter typeface family, targeting software developers and technology enthusiasts. The business model is primarily personal branding with some commercial activity through an online shop. The site is small in scale but well-established, with a domain registered since 2010. Technically, the site uses modern web standards including HTML5, CSS3, JavaScript, and WebAssembly. It is hosted behind Cloudflare DNS and likely CDN services, ensuring good performance and mobile optimization. Google Analytics and Google Tag Manager are used for user tracking, indicating moderate user tracking levels. SEO and accessibility are basic to good, with room for improvement in accessibility features. From a security perspective, the site enforces HTTPS and has domain transfer protections in place. However, DNSSEC is not enabled, and no security headers were detected in the provided data. There are no visible privacy or cookie policies, nor contact information for security incidents or vulnerability disclosures. These gaps reduce the overall security and privacy compliance posture. Overall, the website is trustworthy and safe for general audiences, with no adult or questionable content. The domain registration is consistent and legitimate, with no suspicious patterns. Strategic recommendations include enabling DNSSEC, adding security headers, publishing privacy and cookie policies, and providing contact information for security and incident response to enhance trust and compliance.

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 rsms.me

This scan found 26 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
65
Security headers
15
Email security
60
DNS health
75
Network security
100
GDPR outside view
35
Average
58

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

rsms.me operates as a personal brand and portfolio platform for Rasmus Andersson, focusing on software development projects, technical content, and font distribution. The site targets a niche audience of developers and tech enthusiasts, leveraging open source projects and educational content to build reputation. Revenue streams appear limited to an online shop selling posters. The domain's longevity and active project links indicate steady growth and engagement. The site does not rely on heavy advertising but uses Google Analytics for insights. There are no visible partnerships or subsidiaries. The business model is lean, centered on personal expertise and community contributions.

Security posture

The security posture of rsms.me is moderate. HTTPS is properly implemented, and domain transfer protections are active, which are positive indicators. However, the absence of DNSSEC and security headers such as Content-Security-Policy and Strict-Transport-Security reduces the defense-in-depth. No privacy or cookie policies are present, which is a compliance gap under GDPR. No incident response or vulnerability disclosure mechanisms are visible, limiting transparency and responsiveness to security issues. The use of Google Analytics introduces moderate user tracking, but no explicit consent mechanisms are found. Overall, the site is secure enough for its purpose but could improve in compliance and advanced security practices.

Recommendations

  1. Enable DNSSEC to enhance DNS security and prevent spoofing.
  2. Implement security headers including Content-Security-Policy, X-Content-Type-Options, and Strict-Transport-Security.
  3. Publish comprehensive privacy and cookie policies with GDPR compliance details.
  4. Add clear contact information for security incidents and consider a vulnerability disclosure or security.txt file.
  5. Review and minimize user tracking or implement explicit consent mechanisms to improve privacy compliance.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Description
Personal website of Rasmus Andersson, a Swedish software developer living in San Francisco, showcasing projects, thoughts, and software-related content.
Key services
Software projects and demos, Technical articles and talks, Typeface distribution (Inter font), Online shop for posters
Content quality
good
Branding
consistent

Technology

Stack
HTML5, CSS3, JavaScript, Google Analytics, WebAssembly, Cloudflare DNS
Performance
fast
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
75/100
Good practices seen
  • HTTPS enforced
  • Domain status clientTransferProhibited

Analytics and tracking

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

Advertising

Transparency
basic

Site quality

Design
good
User experience
good
Content relevance
good
Navigation
good
Professionalism
good
Trustworthiness
moderate

Key observations

  1. Website is a personal portfolio and project showcase for Rasmus Andersson.
  2. No privacy, cookie, or terms of service policies found.
  3. No contact emails or phone numbers explicitly listed.
  4. No forms detected on the main page.
  5. Uses Google Analytics and Google Tag Manager for tracking.
  6. No security.txt or vulnerability disclosure found.
  7. No security headers detected in provided data.
  8. HTTPS is enabled and active.
  9. DNSSEC not enabled, which is a minor security weakness.
  10. Domain registered since 2010 with a reputable registrar.
Technical notes

Notes

The website is built with modern web technologies including HTML5, CSS3, JavaScript, and WebAssembly. It leverages Cloudflare for DNS and likely CDN services, contributing to fast load times and good mobile optimization. The site uses Google Analytics and Google Tag Manager for analytics and tracking. No CMS or frameworks were detected, indicating a custom or static site architecture. The site has good SEO meta tags and structured navigation. Accessibility is basic but could be improved. No broken elements or errors were detected in the provided content. Overall, the technical implementation is solid with opportunities for security and privacy enhancements.
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. 58/100Medium34 findingsView report
  2. 58/100Medium34 findingsView report
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