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Security report for splidejs.com

Technology · Japan

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

Security score

47/100

Risk levelHigh

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

Splidejs.com is a technology-focused website providing a lightweight, flexible, and accessible slider/carousel library written in TypeScript. The site targets web developers and frontend engineers seeking performant UI components. It is built using modern web technologies including Gatsby, TypeScript, and CSS Modules, hosted on Japanese infrastructure. The website demonstrates excellent design quality, mobile optimization, and accessibility, reflecting a mature digital presence for a small technology business founded in 2019. Security posture is adequate with HTTPS enforced, but lacks advanced security headers and published security policies. Privacy compliance is minimal with no visible privacy or cookie policies. Overall, the site is trustworthy and professional but could improve transparency and compliance documentation.

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 splidejs.com

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

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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
72
Security headers
15
Email security
70
DNS health
70
Network security
20
GDPR outside view
35
Average
47

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 splidejs.com, from OffSeq Breach.

No leaked records found

Breach holds no records for splidejs.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, specifically providing open source frontend UI components. Its market position is niche, focusing on developers needing accessible and dependency-free slider solutions. The business model appears to be open source with possible premium offerings (implied by navigation items though not detailed in content). The company is small, Japan-based, and founded in 2019. There is no evidence of parent or subsidiary companies. The website content is highly relevant and professionally presented, supporting a strong brand identity. No direct revenue streams or partnerships are disclosed in the content provided.

Security posture

The website employs HTTPS and modern frontend frameworks, indicating a baseline secure infrastructure. However, no security headers such as Content-Security-Policy or X-Frame-Options were detected in the HTML content. There is no published security policy, incident response plan, or vulnerability disclosure program. No contact channels for security incidents (e.g., security@ or abuse@ emails) were found. The absence of privacy and cookie policies suggests compliance gaps with GDPR and other privacy regulations. No known vulnerabilities or exposed sensitive data were identified in the HTML content. Overall, the security posture is moderate but could be enhanced by implementing security headers, publishing policies, and establishing incident response contacts.

Recommendations

  1. Enable DNSSEC on the domain to improve DNS security and prevent spoofing.
  2. Implement and publish comprehensive privacy and cookie policies with consent mechanisms to improve GDPR compliance.
  3. Add standard security headers such as Content-Security-Policy, X-Content-Type-Options, and X-Frame-Options to harden the site against common attacks.
  4. Publish a security policy and incident response contact information to improve transparency and readiness.
  5. Include clear contact information such as company email and phone number to enhance business credibility and user trust.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Description
Splide is a lightweight, flexible and accessible slider/carousel, written in TypeScript. No dependencies, no Lighthouse errors
Key services
Lightweight slider/carousel library, Accessible UI components, TypeScript based implementation
Content quality
excellent
Branding
consistent

Technology

Stack
TypeScript, React (Gatsby framework), CSS Modules, Web Fonts (WOFF2, WOFF, TTF)
Frameworks
Gatsby 4.23.1
Performance
fast
Mobile
excellent
Accessibility
excellent
SEO
good

Security

Observed score
80/100
Good practices seen
  • HTTPS enforced (implied by URL https://splidejs.com/)
  • No inline scripts detected
  • No exposed sensitive data in HTML

Analytics and tracking

Tracking level
minimal
Privacy practices
poor

Advertising

Transparency
poor

Site quality

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

Key observations

  1. Website is a technical documentation and marketing site for a JavaScript slider library
  2. No privacy, cookie, or terms of service policies found on main page
  3. No contact emails, phone numbers, or physical addresses found in HTML content
  4. No social media links explicitly found in provided HTML
  5. Site uses modern web technologies and is well optimized for performance and accessibility
  6. No security.txt or vulnerability disclosure information found
  7. WHOIS data is transparent and consistent with hosting and business location
Technical notes

Notes

The website is built on Gatsby, a modern React-based static site generator, using TypeScript and CSS Modules for styling. It uses custom web fonts and optimized images for performance. The site is mobile responsive and accessible, with semantic HTML and ARIA attributes implied by accessibility scores. Hosting is provided by a Japanese hosting provider (Xserver.jp), consistent with domain registration data. Performance is fast with no obvious technical debt or deprecated technologies. SEO is supported by proper meta tags and Open Graph data. No CMS beyond Gatsby is detected. The site lacks analytics or tracking scripts in the provided HTML, indicating minimal user tracking.
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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