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Security report for data4.net

Technology · China

Medium risk. 7 critical or high findings in Security headers, GDPR outside view and 1 other check.

Security score

65/100

Risk levelMedium

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

Data4网站数据分析平台 is a Chinese data analytics platform positioned as a global alternative to Google Analytics. Founded in 2022, it offers website data analysis tools aimed at a general audience seeking simple and efficient analytics solutions. The website uses modern frontend technologies such as Vue.js and Nuxt.js and is hosted with DNS services provided by AWS, while the domain is registered through Alibaba Cloud. The platform integrates third-party marketing tools like Salesmartly chat widgets to engage visitors. From a technical perspective, the website demonstrates moderate performance and good mobile optimization but lacks advanced SEO and accessibility features. Security posture is adequate with HTTPS enabled but lacks DNSSEC and security headers, which are recommended for enhanced protection. Privacy compliance is weak due to the absence of privacy and cookie policies, and no contact or incident response information is provided, limiting transparency. Overall, the website is safe with no adult or questionable content detected. The domain registration is consistent with the business profile, showing legitimacy. However, the lack of privacy policies and contact information, combined with missing security headers, lowers the overall trust and compliance score. Strategic improvements in security practices and transparency would enhance the platform's credibility and user trust.

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

7 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 data4.net

This scan found 24 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
77
Security headers
15
Email security
85
DNS health
60
Network security
100
GDPR outside view
50
Average
65

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

Data4 operates in the technology sector, focusing on website data analytics as a SaaS business model. It targets website owners and businesses globally who require an alternative to Google Analytics. The company is relatively new, founded in 2022, and appears to be a small-sized entity based in China. The platform's competitive advantage lies in its simplicity and efficiency as a data analysis tool. The integration of third-party marketing tools suggests an active approach to customer engagement. No partnerships or subsidiaries were identified from the data. The lack of detailed business information and contact details limits deeper insights into revenue streams or growth indicators.

Security posture

The website's security maturity is moderate. HTTPS is properly implemented, ensuring encrypted communication. However, the absence of DNSSEC leaves the domain vulnerable to DNS spoofing attacks. No security headers such as Content-Security-Policy or X-Frame-Options were detected, which are important for mitigating common web attacks. The lack of privacy and cookie policies indicates potential compliance gaps with GDPR and other data protection regulations. No incident response or security contact information is provided, which could delay response to security incidents. Overall, while no critical vulnerabilities were found, improvements in security headers, DNS security, and compliance documentation are recommended to strengthen the security posture.

Recommendations

  1. Enable DNSSEC on the domain to protect against DNS spoofing and improve domain security.
  2. Implement essential security headers including Content-Security-Policy, X-Content-Type-Options, and X-Frame-Options.
  3. Publish comprehensive privacy and cookie policies to enhance GDPR compliance and user trust.
  4. Add clear contact information and establish an incident response contact channel for security issues.
  5. Conduct a security audit to identify and remediate any potential vulnerabilities in third-party integrations.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Description
Data4网站数据分析平台 - 全球适用的网站分析平台 | 简单高效的数据分析工具 | Google Analytics 替代方案
Key services
Website data analysis, Data analytics tools
Content quality
basic
Branding
moderate

Technology

Stack
Vue.js, Nuxt.js, AWS DNS, Alibaba Cloud Registrar
Frameworks
Nuxt.js, Vue.js
Performance
moderate
Mobile
good
Accessibility
basic
SEO
basic

Security

Observed score
65/100
Good practices seen
  • HTTPS enabled

Analytics and tracking

Tracking level
minimal
Privacy practices
poor

Advertising

Tracking pixels
Salesmartly
Marketing tools
Salesmartly chat widget
Transparency
basic

Site quality

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

Key observations

  1. Website is accessible with no WAF or blocking mechanisms.
  2. Content is minimal and mostly technical with no privacy or cookie policies found.
  3. No contact emails, phone numbers, or physical addresses are provided on the homepage HTML.
  4. Uses modern frontend frameworks (Vue.js, Nuxt.js) and AWS DNS services.
  5. Includes third-party chat widget from Salesmartly indicating some marketing engagement.
  6. No explicit security headers detected in provided data.
  7. Domain registration is recent but consistent with business profile.
  8. No signs of adult or questionable content.
Technical notes

Notes

The website is built using modern JavaScript frameworks Vue.js and Nuxt.js, indicating a contemporary frontend architecture. It leverages AWS DNS services and is registered via Alibaba Cloud, suggesting cloud-based infrastructure. Performance is moderate with good mobile responsiveness but basic SEO and accessibility features. The site includes third-party marketing scripts from Salesmartly, which may impact privacy compliance if not properly managed. No CMS was detected, implying a custom or framework-based site. The absence of security headers and DNSSEC are technical risks that should be addressed. Overall, the technical implementation is solid but could benefit from enhanced security and SEO optimizations.
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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