Labtestonline.cz is a Czech healthcare informational website dedicated to educating patients and the general public about laboratory tests and related diseases. It is supported and guaranteed by reputable Czech clinical biochemistry and medical societies, positioning it as a trusted source in the Czech healthcare education sector. The site offers comprehensive information on laboratory tests, diseases, screening, and includes educational videos and news updates, targeting individuals seeking to understand medical testing and health conditions better. Technically, the website employs modern web technologies including HTML5, CSS3, JavaScript, jQuery, and integrates third-party services such as Google Tag Manager and Smartlook for analytics and user behavior tracking. The site is mobile-optimized, accessible, and SEO-friendly, providing a professional user experience. Security-wise, the website enforces HTTPS, uses CSRF tokens in forms, and implements cookie consent mechanisms, although it lacks some advanced security headers and explicit security policies. The absence of WHOIS data due to privacy protection is common and justified for this type of informational healthcare site. Overall, the website demonstrates a strong security posture, good privacy compliance, and high business credibility, making it a reliable resource for its audience.
Scanned ·
NIS2 and GDPR posture
GDPR outside view
10/ 100 · Critical
Checks completed
7of 7
NIS2 Art. 21(2)
a(a) Risk analysis and security policies: Not visible from outside
b(b) Incident handling: One indicator
c(c) Business continuity, backups and crisis management: Not visible from outside
d(d) Supply chain security: Not visible from outside
e(e) Secure acquisition, development and maintenance, including vulnerability handling: Partly checked
f(f) Assessing the effectiveness of security measures: Not visible from outside
g(g) Cyber hygiene and security training: Not visible from outside
h(h) Cryptography and encryption: Partly checked
i(i) HR security, access control and asset management: One indicator
j(j) Multi-factor authentication and secured communications: Not visible from outside
Partly checked
One indicator
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.
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
This scan found 22 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
Email alerts on material changes and an exportable JSON history of every change.
Prices incl. 21% VAT. Secure checkout by Mollie; sold by SEQ SIA, Latvia.
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
85
Email security
60
DNS health
80
Network security
100
GDPR outside view
10
Average
66
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 labtestsonline.cz, from OffSeq Breach.
No leaked records found
Breach holds no records for labtestsonline.cz right now. New leaks arrive continuously, so monitoring on Breach alerts you if that changes.
Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.
Business context
Business profile
Labtestonline.cz operates as an educational platform within the healthcare sector, focusing on laboratory diagnostics and disease information. Its market positioning is strengthened by endorsements from Czech medical societies, enhancing trust and authority. The business model centers on providing free, comprehensive medical information to patients and healthcare consumers, likely funded or supported by professional organizations. The target audience includes patients, healthcare professionals, and the general public interested in medical testing. The website's partnership ecosystem includes Czech clinical biochemistry and medical societies, which serve as guarantors of content quality. Growth indicators include regular news updates, educational videos, and active social media engagement. The platform's operations emphasize content quality, user education, and compliance with privacy regulations, positioning it well within the Czech healthcare information market.
Security posture
The website maintains a good security posture with mandatory HTTPS encryption and secure form handling via CSRF tokens. Cookie consent is properly managed through CookieHub, indicating GDPR compliance. However, the absence of certain security headers such as Content-Security-Policy and Strict-Transport-Security suggests room for improvement. No vulnerabilities or exposed sensitive data were detected in the analyzed content. The lack of a published security policy or incident response information is a gap in transparency. Overall, the site demonstrates a mature security approach suitable for an informational healthcare platform but would benefit from enhanced header configurations and explicit security disclosures to further strengthen trust and resilience.
Recommendations
Implement comprehensive security headers including Content-Security-Policy, X-Content-Type-Options, X-Frame-Options, and Strict-Transport-Security to enhance protection against common web attacks.
Publish a clear security policy and incident response plan on the website to improve transparency and user trust.
Add a vulnerability disclosure policy or security.txt file to facilitate responsible reporting of security issues.
Consider adding a terms of service page to clarify user rights and responsibilities.
Enhance contact information visibility by including verified company emails and phone numbers for support and inquiries.
Site observations
Automated reading of the public site. Ratings are indicative.
Business
Company
Labtestonline.cz
Description
Vysvětlíme vám význam zkratek, důvod vyšetření a popíšeme onemocnění.
Key services
Information about laboratory tests, Information about diseases and conditions, Screening information, Glossary of terms, Educational videos and news updates
Content quality
excellent
Branding
consistent
Technology
Stack
HTML5, CSS3, JavaScript, jQuery, Google Tag Manager, Smartlook, CookieHub
Performance
moderate
Mobile
excellent
Accessibility
good
SEO
good
Security
Observed score
85/100
Good practices seen
HTTPS enforced
Use of CSRF tokens in forms
Cookie consent mechanism implemented
Analytics and tracking
Services
Google Tag Manager, Smartlook
Tracking level
moderate
Privacy practices
good
Advertising
Tracking pixels
Smartlook
Marketing tools
CookieHub
Transparency
basic
Site quality
Design
excellent
User experience
excellent
Content relevance
excellent
Navigation
excellent
Professionalism
excellent
Trustworthiness
high
Key observations
Website is fully accessible with rich content in Czech language.
No WHOIS data available publicly, indicating privacy protection.
Site uses HTTPS and modern web technologies.
Cookie consent and privacy policy are implemented and GDPR compliant.
No explicit contact emails or phone numbers found in the HTML content; contact likely via contact page.
Social media presence on Facebook is active and linked.
No security.txt or explicit security policy found.
No terms of service page detected.
Content is highly relevant to healthcare and laboratory testing education.
No adult or questionable content detected.
Technical notes
Notes
The website is built on a modern technology stack utilizing HTML5, CSS3, and JavaScript with jQuery and Bootstrap framework elements. It integrates third-party analytics and tracking tools such as Google Tag Manager and Smartlook, and employs CookieHub for cookie consent management. The site is mobile-optimized with responsive design and good accessibility features. Performance is moderate, with multiple CSS files preloaded and asynchronous loading of scripts to improve load times. No CMS was explicitly detected, suggesting a custom or static site architecture. Hosting provider details are not disclosed. The technical implementation supports a professional and user-friendly experience but could benefit from further optimization and security enhancements.
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.
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