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Security report for 404s.design

Technology · N/a

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

Security score

60/100

Risk levelMedium

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

The website www.404s.design is a niche curated gallery showcasing creative 404 error page designs aimed primarily at web designers and creatives seeking inspiration. It positions itself as a resource to transform typical error pages into delightful user experiences. The site is professionally designed with excellent content quality and clear navigation, hosted on the Webflow platform with modern web technologies including GSAP animations and Fathom Analytics for privacy-conscious visitor tracking. However, the site lacks publicly available WHOIS data, likely due to privacy protection, and does not provide explicit privacy, cookie, or terms of service policies, which impacts its compliance posture. Security-wise, the site uses HTTPS and includes anti-spam measures via Cloudflare Turnstile captcha but lacks explicit security headers and vulnerability disclosure mechanisms. Overall, the site is legitimate and trustworthy for its purpose but would benefit from enhanced privacy and security disclosures to improve compliance and user trust.

Scanned

This is an earlier scan of 404s.design. View the latest report

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. 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

  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

    • High

      No Cookie Consent Banner found

      GDPR requires explicit consent for non-essential cookies

      What to do: Implement a cookie consent banner that appears on first visit

    • High

      Third-party services without privacy policy

      Detected services: Cloudflare, Google APIs

      What to do: Document all third-party data sharing in your privacy policy

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

Keep watching 404s.design

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.

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Recommended

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  • 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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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
57
Security headers
60
Email security
40
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

The business model is focused on curating and showcasing creative 404 error pages, serving a specialized audience of web designers and developers. It leverages user submissions and filters to maintain an updated and engaging gallery. The site promotes a partner domain, loaders.design, indicating a small ecosystem of creative design resources. Revenue streams are not explicit but may include affiliate or promotional partnerships. The site demonstrates a strong market position within its niche due to high-quality content and modern design. However, the absence of contact information and business registration details limits transparency. Growth potential exists through expanded partnerships and enhanced compliance features.

Security posture

The website demonstrates a moderate security posture with HTTPS enforced and use of Cloudflare Turnstile captcha to mitigate spam. However, it lacks important security headers such as Content Security Policy (CSP), HSTS, and X-Frame-Options, which are recommended to harden the site against common web attacks. No vulnerability disclosure or incident response information is provided, which could hinder timely reporting and remediation of security issues. The absence of privacy and cookie policies also indicates compliance gaps with GDPR and related regulations. No exposed sensitive data or vulnerable libraries were detected in the HTML content. Overall, the site is secure for general browsing but should improve security best practices and compliance documentation.

Recommendations

  1. Implement and publish a comprehensive privacy policy and cookie policy with consent mechanisms to improve GDPR compliance.
  2. Add security headers including CSP, HSTS, and X-Frame-Options to enhance protection against web vulnerabilities.
  3. Establish a vulnerability disclosure policy or security.txt file to facilitate responsible reporting of security issues.
  4. Provide clear contact information for security incidents and general inquiries to improve transparency and trust.
  5. Regularly audit third-party scripts and dependencies to ensure no vulnerable libraries are included.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Description
Where dead ends become creative opportunities. Find inspiration for your next 404 page design with our curated collection of error pages that transform user frustration into delightful experiences. Fresh ideas for designers who refuse to let a 404 be boring. Here for all those lost pages waiting to be found.
Key services
curated gallery of creative 404 error pages, submission platform for new 404 designs, filtering and browsing by style
Content quality
excellent
Branding
consistent

Technology

Stack
Webflow, Google Fonts (Inter), Fathom Analytics, GSAP (GreenSock Animation Platform), Finsweet Attributes, Cloudflare Turnstile Captcha
Frameworks
Webflow CMS
Platforms
Webflow Hosting
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Use of Cloudflare Turnstile captcha for form spam prevention
  • No exposed sensitive data in HTML

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 curated gallery of creative 404 error page designs targeting designers.
  2. No WHOIS data available, indicating privacy protection or registry data unavailability.
  3. No explicit privacy, cookie, or terms of service policies found on the site.
  4. Site uses modern web technologies and is hosted on Webflow.
  5. No contact emails or phone numbers found on the site.
  6. No security.txt or vulnerability disclosure information present.
  7. Site uses Fathom Analytics for privacy-focused tracking.
  8. No signs of adult or questionable content detected.
  9. Site includes external links to many creative 404 pages from various domains.
  10. No WAF or blocking mechanisms detected; content fully accessible.
Technical notes

Notes

The website is built on Webflow CMS, utilizing modern front-end technologies such as GSAP for animations and Google Fonts for typography. It employs Fathom Analytics, a privacy-focused analytics tool, and integrates Cloudflare Turnstile captcha for form protection. The site is well-optimized for mobile devices and demonstrates fast loading performance. The HTML and CSS are valid and structured for accessibility and SEO. Hosting is provided by Webflow, a reputable platform. The site uses external CDN resources for fonts and scripts, ensuring efficient content delivery. Technical debt appears minimal, but the site could benefit from enhanced security configurations and formal compliance documentation.
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. 51/100Medium30 findingsView report
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