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Security report for sreality.cz

Sreality.cz · Real Estate · Czech Republic

Medium risk. 6 critical or high findings in GDPR outside view and Security headers.

Security score

69/100

Risk levelMedium

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

Sreality.cz is a leading online real estate marketplace in the Czech Republic, offering the largest selection of properties including apartments, houses, new developments, commercial spaces, and land for sale and rent. The platform is associated with Seznam.cz, a major Czech internet company, which enhances its market credibility and reach. The website employs modern web technologies such as React and Next.js, ensuring a responsive and user-friendly experience across devices. While the technical infrastructure is solid and performance is moderate to good, the site integrates multiple third-party advertising and tracking services, including Gemius and Hotjar, which contribute to moderate user tracking levels. Security posture is strong with HTTPS enforced and likely security headers, but explicit security policies and incident response information are not publicly disclosed. The absence of WHOIS data limits domain trust analysis, but the business association and website quality support legitimacy. Privacy and cookie policies are not clearly presented, indicating room for compliance improvement.

Scanned

This is an earlier scan of sreality.cz. View the latest report

NIS2 and GDPR posture

GDPR outside view
10/ 100 · Critical
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. GDPR outside view

    These are the privacy signals visitors and data protection authorities look for under GDPR.

    • Critical

      EU business without adequate privacy measures

      EU businesses are subject to strict GDPR requirements

      What to do: Implement comprehensive GDPR compliance including privacy policy, cookie consent, and data protection measures

    • 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

      No Cookie Consent Banner found

      GDPR requires explicit consent for non-essential cookies

      What to do: Implement a cookie consent banner that appears on first visit

  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"

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

Keep watching sreality.cz

This scan found 19 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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  • 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
95
Security headers
50
Email security
85
DNS health
75
Network security
100
GDPR outside view
10
Average
69

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

Sreality.cz holds a dominant position in the Czech real estate market as the largest property listing portal. Its business model revolves around providing a comprehensive platform for property sales and rentals, targeting individuals and businesses seeking real estate solutions. The affiliation with Seznam.cz provides strategic advantages including brand recognition and access to a broad user base. Revenue streams likely include advertising, premium listings, and partnerships with real estate agencies. The platform's ecosystem includes integration with multiple advertising networks and tracking services, supporting monetization and marketing efforts. Growth potential is supported by the extensive property inventory and digital presence. However, the lack of visible privacy and security policies may pose risks in regulatory compliance and user trust.

Security posture

The website demonstrates a mature security posture with HTTPS enabled and use of modern web frameworks that support secure coding practices. However, the absence of explicit security headers in the analyzed content and lack of publicly available security or incident response policies indicate gaps in transparency and formal security governance. The integration of multiple third-party scripts introduces potential vulnerabilities and privacy concerns, necessitating regular audits and controls. No critical vulnerabilities or exposed sensitive data were detected in the provided content. Compliance with GDPR and other data protection regulations is unclear due to missing privacy and cookie policies. Overall, the security maturity is good but could be enhanced by publishing security policies, incident response contacts, and improving privacy compliance mechanisms.

Recommendations

  1. Publish comprehensive privacy and cookie policies with clear GDPR compliance statements and user consent mechanisms.
  2. Implement and disclose security policies and incident response procedures, including dedicated contact channels for security issues.
  3. Audit and monitor third-party scripts regularly to mitigate risks from advertising and tracking services.
  4. Enhance security headers such as Content Security Policy (CSP), X-Frame-Options, and Strict-Transport-Security (HSTS) to strengthen defense-in-depth.
  5. Provide clear and accessible company contact information including emails and phone numbers to improve business credibility and user trust.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Sreality.cz
Description
Největší nabídka nemovitostí v ČR. Nabízíme byty, domy, novostavby, nebytové prostory, pozemky a další reality k prodeji i pronájmu.
Key services
Real estate listings, Property sales, Property rentals
Content quality
good
Branding
consistent

Technology

Stack
React, Next.js, JavaScript, CSS, Hotjar, Gemius
Frameworks
Next.js, Material UI
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Use of CSP and other security headers not explicitly detected but likely present

Analytics and tracking

Services
Gemius, Hotjar
Tracking level
moderate
Privacy practices
basic

Advertising

Ad networks
PubMatic, Criteo, Sklik
Tracking pixels
Gemius, Hotjar
Marketing tools
Gemius, Hotjar
Transparency
basic

Site quality

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

Key observations

  1. Website is a large real estate marketplace focused on Czech Republic
  2. No WHOIS data available, limiting domain trust analysis
  3. No explicit privacy, cookie, or terms of service policies found in provided content
  4. Use of multiple third-party tracking and advertising services
  5. Good technical implementation with modern frameworks
  6. No WAF or blocking detected
  7. No explicit contact emails or phone numbers found in provided content
  8. Strong branding and consistent design
  9. Security posture good but could improve transparency on policies
Technical notes

Notes

The website is built using modern JavaScript frameworks including React and Next.js, leveraging server-side rendering for performance optimization. Material UI is used for consistent UI components. The site loads multiple scripts asynchronously, including analytics and advertising libraries such as Gemius and Hotjar, which enable user behavior tracking and marketing analytics. Preconnect and preload hints are used to optimize resource loading. The site is mobile-optimized with responsive design and good accessibility basics. Performance is moderate, with potential improvements in reducing third-party script impact. No CMS was explicitly detected. Hosting provider details are not evident from the content. Overall, the technical infrastructure supports a scalable and user-friendly real estate platform.
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. 69/100Medium27 findingsView report
  2. 69/100Medium28 findingsView report
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