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Security report for css-tricks.com

CSS-Tricks · Technology · N/a

Medium risk. 6 critical or high findings in Email security, Security headers and 2 other checks.

Security score

72/100

Risk levelMedium

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

CSS-Tricks is a well-established online platform dedicated to web development education, focusing primarily on CSS and front-end technologies. Founded in 2007, it serves a global audience of web developers, designers, and technologists by providing high-quality articles, guides, and tutorials. The site maintains a strong market position as a reputable resource in the web development community, supported by consistent content updates and a professional digital presence. The business model revolves around content publishing, advertising partnerships, and newsletter subscriptions, with DigitalOcean as a notable sponsor and hosting partner. Technically, the website is built on WordPress, leveraging modern web technologies including PHP, JavaScript, and CSS. It employs Cloudflare for DNS and CDN services, ensuring fast performance and robust availability. The site demonstrates excellent mobile optimization, accessibility, and SEO practices, contributing to a superior user experience. Hosting on DigitalOcean via Cloudways further supports its performance and scalability needs. From a security perspective, CSS-Tricks enforces HTTPS with strong security headers, protecting user data and enhancing trust. While DNSSEC is not enabled, the domain registration is secured with registrar locks preventing unauthorized transfers or deletions. No critical vulnerabilities or exposed sensitive data were detected. Privacy and cookie policies are comprehensive and GDPR compliant, with active consent mechanisms. However, explicit security policies or incident response information are not publicly available, representing an area for potential improvement. Overall, CSS-Tricks presents a low-risk profile with a high degree of professionalism and trustworthiness. Strategic recommendations include enabling DNSSEC, publishing a formal security policy and incident response plan, and considering a vulnerability disclosure program to further enhance security posture and stakeholder confidence.

Scanned

NIS2 and GDPR posture

GDPR outside view
50/ 100 · Medium
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

6 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. 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 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';…

  3. 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

      Third-party services without privacy policy

      Detected services: Google Analytics, Facebook, Twitter

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

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

Keep watching css-tricks.com

This scan found 18 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

€39.90one-time

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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
70
Email security
60
DNS health
75
Network security
100
GDPR outside view
50
Average
72

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

CSS-Tricks occupies a strong niche in the web development education sector, targeting front-end developers and designers worldwide. Its competitive advantage lies in authoritative, well-curated content and a loyal community. Revenue streams primarily include advertising (notably via BuySellAds), sponsored content, and newsletter-driven marketing. The partnership with DigitalOcean enhances credibility and provides financial support. The site’s content strategy emphasizes evergreen and trending CSS topics, maintaining relevance and engagement. The absence of direct company contact details suggests a focus on digital engagement rather than traditional corporate communications. Growth indicators include frequent content updates and active social media presence. The ecosystem includes partnerships with code sharing platforms like CodePen and social networks such as Mastodon and Bluesky, reinforcing community integration.

Security posture

The website demonstrates a mature security posture with mandatory HTTPS, robust security headers, and domain registration protections. No signs of malware, phishing, or exposed credentials were found. The lack of DNSSEC is a minor gap but does not critically impact security. Privacy compliance is strong, with clear cookie consent and GDPR adherence. However, the absence of a published security policy, incident response plan, or vulnerability disclosure mechanism limits transparency and preparedness visibility. The site’s use of reputable hosting and CDN providers reduces risk exposure. Overall, the security maturity is high but could benefit from formalized policies and public security communications to align with best practices and regulatory expectations.

Recommendations

  1. Enable DNSSEC on the domain to enhance DNS security and prevent spoofing.
  2. Publish a dedicated security policy and incident response plan accessible to users and stakeholders.
  3. Implement and publicize a vulnerability disclosure program or security.txt file to encourage responsible reporting.
  4. Maintain and regularly audit security headers and SSL/TLS configurations to uphold strong encryption standards.
  5. Enhance contact information transparency by providing dedicated security or abuse contact channels.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
CSS-Tricks
Description
CSS-Tricks is a website focused on web development, specifically CSS and front-end technologies, providing articles, guides, and tutorials.
Key services
Educational articles, Guides, Almanac of CSS properties and functions, Newsletter subscription
Content quality
excellent
Branding
consistent

Technology

Stack
WordPress, PHP, JavaScript, CSS, Cloudflare DNS
Frameworks
WordPress theme CSS-Tricks-19
Platforms
WordPress
Performance
fast
Mobile
excellent
Accessibility
good
SEO
excellent

Security

Observed score
90/100
Good practices seen
  • HTTPS enforced
  • Use of security headers
  • No exposed sensitive data in HTML
  • Use of reputable CDN and DNS providers

Analytics and tracking

Services
Jetpack Stats
Tracking level
moderate
Privacy practices
good

Advertising

Ad networks
BuySellAds
Tracking pixels
Jetpack, TrustArc
Marketing tools
Marketo forms
Transparency
good

Site quality

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

Key observations

  1. Website is a well-established resource for CSS and web development.
  2. Content is regularly updated with recent articles and guides.
  3. Uses HTTPS with strong security headers.
  4. Includes privacy and cookie policies with consent mechanisms.
  5. No direct company contact emails or phone numbers found; contact via web form.
  6. No explicit security or incident response policies published.
  7. Advertising and marketing tools are transparent and reputable.
  8. No adult or questionable content detected.
  9. Domain registration and hosting are consistent and reputable.
Technical notes

Notes

The website’s technical infrastructure is modern and well-maintained, built on WordPress with a custom theme optimized for performance and accessibility. Use of Cloudflare DNS and DigitalOcean hosting ensures reliability and scalability. The site employs SEO best practices including meta tags, Open Graph, and JSON-LD structured data for rich search results. Performance is optimized with preconnect and dns-prefetch hints, responsive images, and efficient CSS. Accessibility features such as skip navigation links and screen reader text are implemented. The technical debt appears low, with no deprecated or vulnerable libraries detected. Opportunities exist to further modernize by enabling DNSSEC and expanding security-related metadata. Overall, the technical foundation supports a high-quality user experience and robust operational stability.
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. 72/100Medium25 findingsView report
  2. 72/100Medium25 findingsView report
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