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Security report for cssslider.com

cssSlider · Technology · N/a

Medium risk. 10 critical or high findings in Email security, Security headers and 2 other checks.

Security score

57/100

Risk levelMedium

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

cssSlider.com is a specialized software provider offering a pure CSS and HTML image slider tool designed for web developers and designers who want lightweight, responsive, and retina-ready sliders without relying on JavaScript or jQuery. The website presents a professional product with clear demos, download options for Windows and Mac, and a focus on ease of use and customization. The technical infrastructure is modern, leveraging HTML5, CSS3, and minimal JavaScript primarily for analytics and slider adjustments. Hosting and DNS are managed via reputable providers including GoDaddy and Cloudflare, though DNSSEC is not enabled. Security posture is moderate with domain locking in place but lacking explicit security headers and privacy compliance documentation. The site uses Google Analytics for user tracking but does not provide cookie consent mechanisms or privacy policies, which impacts privacy compliance scores. Overall, the website is functional, well-designed, and trustworthy but would benefit from enhanced privacy and security disclosures.

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

10 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 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';…

  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

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

Keep watching cssslider.com

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
75
Security headers
15
Email security
40
DNS health
75
Network security
100
GDPR outside view
35
Average
57

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

Breach exposure

Leaked credentials and lookalike domains from OffSeq Breach. The counts are free; the detailed lists are paid add-ons.

Dark web exposure

Add-on

Leaked records that mention cssslider.com, from OffSeq Breach.

No leaked records found

Breach holds no records for cssslider.com right now. New leaks arrive continuously, so monitoring on Breach alerts you if that changes.

Monitor on Breach (opens in a new tab)

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 operates in the technology sector, focusing on niche software for website image sliders. Its market position is defined by offering a no-JavaScript, pure CSS slider solution, appealing to users seeking performance and simplicity. Revenue likely derives from paid licenses and downloads, with payment processing via Avangate. The target audience includes web developers, designers, and small businesses needing customizable sliders. The company has maintained the domain since 2012, indicating stability. Partnerships with website builder platforms like Mobirise and 8b.com suggest ecosystem integration. The absence of direct contact information and privacy policies may limit trust for some users but does not detract from the product's technical appeal.

Security posture

The security maturity level is moderate. The domain is locked against unauthorized changes, reducing risk of hijacking. However, the absence of DNSSEC and HTTP security headers reduces defense in depth. No privacy or cookie policies are present, which is a compliance gap under GDPR and similar regulations. The use of Google Analytics without visible consent mechanisms further impacts privacy posture. No vulnerability disclosure or incident response information is provided, limiting transparency. There are no visible signs of malware or phishing. Overall, the site is secure enough for its purpose but should improve privacy compliance and implement security headers to enhance protection and user trust.

Recommendations

  1. Implement and publish a comprehensive privacy policy and cookie policy with GDPR compliance details.
  2. Enable DNSSEC to secure DNS resolution and prevent spoofing.
  3. Add HTTP security headers such as Content-Security-Policy, Strict-Transport-Security, X-Frame-Options, and X-Content-Type-Options.
  4. Provide clear contact information including support or security contact emails.
  5. Publish a security.txt file or vulnerability disclosure policy to improve transparency and incident response readiness.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
cssSlider
Description
cssSlider offers a pure CSS and HTML image slider tool that enables users to create responsive, retina-ready sliders with various CSS3 effects without coding or JavaScript. It targets users seeking lightweight, fast, and customizable sliders for websites.
Key services
Pure CSS image slider software, Visual slider maker tool, Pre-made slider skins and effects, Cross-browser and responsive slider solutions
Content quality
good
Branding
consistent

Technology

Stack
HTML5, CSS3, Google Analytics
Performance
fast
Mobile
excellent
Accessibility
basic
SEO
good

Security

Observed score
60/100
Good practices seen
  • Domain status includes clientDeleteProhibited, clientRenewProhibited, clientTransferProhibited, clientUpdateProhibited indicating domain lock
  • No JavaScript heavy dependencies reducing attack surface

Analytics and tracking

Services
Google Analytics
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. No privacy, cookie, or terms of service policies found on main page.
  2. No contact emails or phone numbers explicitly provided.
  3. Website uses Google Analytics for tracking without visible cookie consent mechanism.
  4. No security.txt or vulnerability disclosure information found.
  5. Website content is professional and focused on pure CSS slider software.
  6. No social media links or company contact details found in HTML.
  7. Domain uses Cloudflare DNS but DNSSEC is not enabled.
  8. Site offers free downloads for Windows and Mac versions of the software.
  9. Payment processing handled via Avangate platform.
Technical notes

Notes

The website uses a clean and modern tech stack focused on HTML5 and CSS3 with minimal JavaScript, which reduces attack surface and improves performance. Hosting and DNS are managed by reputable providers, ensuring reliability. The site is mobile-optimized and responsive with good SEO practices evident in meta tags and structured navigation. However, the lack of CMS or advanced frameworks suggests a lightweight custom solution. Performance is fast, and the design quality is good. Technical debt appears low, but the absence of security headers and privacy compliance documentation indicates areas for modernization and risk mitigation.
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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