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Security report for mianshi8.net

Education · China

High risk. 8 critical or high findings in Email security, Security headers and 2 other checks.

Security score

47/100

Risk levelHigh

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

The website 'mianshi8.net' is a Chinese language educational platform focused on providing comprehensive programming tutorials across a wide range of technologies including front-end, back-end, mobile development, databases, and frameworks. It targets programmers and learners seeking to improve their coding skills through structured tutorials and examples. The site is relatively new, established in 2023, and positions itself as a popular resource within the Chinese programming education market. Technically, the site uses standard web technologies such as HTML5, CSS3, JavaScript, and the layui framework, with Baidu Analytics integrated for user tracking. The design is good with clear navigation and mobile optimization, though accessibility features are basic. Security posture is moderate; HTTPS is assumed but no advanced security headers or DNSSEC are implemented. Privacy compliance is weak, lacking privacy and cookie policies or consent mechanisms. No contact or incident response information is provided, which limits trust and compliance. Overall, the site is functional and content-rich but would benefit from enhanced security and privacy practices.

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

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. 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 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

    • 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 mianshi8.net

This scan found 28 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

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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
62
Security headers
30
Email security
40
DNS health
60
Network security
40
GDPR outside view
50
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

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 as an educational content provider in the technology sector, specifically targeting the programming and developer community in China. Its business model is based on freely accessible tutorials and learning resources, likely monetized through advertising or affiliate links, as suggested by multiple external links to related sites and some suspicious domains. The platform enjoys a moderate market position with consistent branding and a broad range of technical topics covered. The lack of direct contact information and formal policies may limit its credibility with enterprise users but is common in educational content sites. Partnerships with related educational and content platforms are evident, supporting a networked ecosystem. Growth potential exists given the demand for programming education, but professionalization in compliance and security would enhance market trust.

Security posture

The website demonstrates a basic security posture with HTTPS usage and no visible sensitive data exposure. However, it lacks critical security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options, which are important for mitigating common web attacks. DNSSEC is not enabled, reducing DNS security. The absence of privacy and cookie policies, as well as no incident response or security contact information, indicates gaps in compliance and readiness. The use of third-party scripts like Baidu Analytics introduces tracking without user consent mechanisms, raising privacy concerns. No forms or user input fields are present, reducing attack surface but also limiting user engagement. Overall, the site is moderately secure but requires improvements to align with best practices and regulatory requirements.

Recommendations

  1. Enable DNSSEC to enhance domain name system security.
  2. Implement standard security headers including Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options.
  3. Publish comprehensive privacy and cookie policies and implement a cookie consent mechanism to comply with GDPR and other privacy laws.
  4. Add clear contact information including a security incident response contact and data protection officer details.
  5. Regularly review and audit third-party scripts and dependencies to mitigate vulnerabilities.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Description
菜鸟教程网提供了全面的编程技术基础教程、各种主流编程语言基础知识，通过本站提供的大量在线实例，您可以更好更高效的学习编程，这是一个程序员看一眼就会爱上的网站！
Key services
Programming tutorials, Online coding examples, Technical learning resources
Content quality
good
Branding
consistent

Technology

Stack
HTML5, CSS3, JavaScript, layui CSS/JS framework, Baidu Analytics
Frameworks
layui
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
60/100
Good practices seen
  • Use of HTTPS (assumed from URL)
  • No exposed sensitive data in HTML

Analytics and tracking

Services
Baidu Analytics
Tracking level
moderate
Privacy practices
poor

Advertising

Tracking pixels
Baidu Analytics
Transparency
basic

Site quality

Design
good
User experience
good
Content relevance
excellent
Navigation
good
Professionalism
good
Trustworthiness
moderate

Key observations

  1. Website is a Chinese language programming tutorial platform with extensive educational content.
  2. No privacy, cookie, or terms of service policies found on the site.
  3. No contact emails or phone numbers explicitly provided.
  4. Site uses Baidu Analytics for tracking without visible cookie consent mechanism.
  5. No security headers detected in the HTML content; DNSSEC not enabled.
  6. Domain registration is recent but consistent with the business.
  7. Multiple external links to partner educational and content sites.
  8. Some external links point to suspicious or unrelated domains, possibly advertising or affiliate links.
  9. No forms detected on the main page; no user data collection forms present.
  10. Site content is safe and suitable for general audiences.
Technical notes

Notes

The website is built using standard web technologies with the layui CSS/JS framework providing UI components. It includes Baidu Analytics for tracking user behavior. The site structure is well-organized with clear navigation menus and categorized tutorial content. Performance is moderate, with external CSS and JS loaded from the same domain and some from third-party sources. Mobile optimization is good, but accessibility features are minimal. No CMS or hosting provider details are evident from the HTML. The domain uses Xin Net Technology Corporation as registrar, with no DNSSEC enabled. Overall, the technical implementation is solid for an educational site but could benefit from enhanced security configurations and privacy features.
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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