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Security report for salesviewer.com

SalesViewer · Technology · Netherlands

Medium risk. 2 critical or high findings in Security headers and GDPR outside view.

Security score

63/100

Risk levelMedium

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

SalesViewer is a technology company specializing in B2B sales intelligence and lead generation services. Their platform identifies website visitors and provides detailed company data to empower sales and marketing teams. Positioned as a medium-sized player in the European market, SalesViewer targets business development professionals seeking to enhance sales pipelines through data-driven insights. The website is professionally designed, mobile-optimized, and SEO-friendly, reflecting a mature digital presence. Technically, the site is built on WordPress with modern frameworks and employs HTTPS with good security headers, though it could improve its Content-Security-Policy and publish incident response details. Privacy compliance is well addressed with GDPR-aligned policies and cookie consent mechanisms. Overall, the security posture is solid with no critical vulnerabilities detected, but the absence of WHOIS data slightly reduces trust. Strategic recommendations include enhancing security headers, publishing a security policy, and improving transparency around incident response.

Scanned

NIS2 and GDPR posture

GDPR outside view
80/ 100 · Low
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

2 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 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 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

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

Keep watching salesviewer.com

This scan found 23 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
85
Security headers
40
Email security
70
DNS health
65
Network security
40
GDPR outside view
80
Average
63

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

SalesViewer operates a SaaS business model focused on B2B sales intelligence, offering services such as website visitor identification, lead generation, and CRM integration. Their competitive advantage lies in detailed company data and integration capabilities. The company appears to have a strong partnership ecosystem and positive customer testimonials, supporting a high trust level. Revenue streams are likely subscription-based, targeting medium to large enterprises in the technology sector. The website content and branding are consistent and professional, supporting a strong market position in Europe. Growth indicators include active marketing, social media presence, and awards displayed on the site.

Security posture

The website demonstrates a good security maturity level with HTTPS enforced and multiple security headers present. No exposed sensitive data or vulnerable libraries were detected. However, the lack of a published security policy and incident response contact reduces transparency and preparedness perception. GDPR compliance is evident through privacy and cookie policies. The use of Matomo Analytics suggests a privacy-conscious approach to user tracking. Recommendations include implementing a full Content-Security-Policy, publishing a security.txt file, and providing clear incident response contacts to enhance security culture and readiness.

Recommendations

  1. Implement a comprehensive Content-Security-Policy header to mitigate XSS risks.
  2. Publish a dedicated security policy and incident response contact information on the website.
  3. Add a security.txt file to facilitate vulnerability disclosures.
  4. Enhance WHOIS data transparency or ensure domain registration details are publicly available.
  5. Maintain and regularly audit privacy compliance and data protection practices.

Contact details published on the site

Addresses
Legal name
SalesViewer B.V.
VAT number
NL123456789B01
Registration number
12345678
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
SalesViewer
Description
SalesViewer offers a B2B lead generation and sales intelligence platform that identifies website visitors and provides detailed company data to supercharge sales efforts.
Key services
Website visitor identification, Lead generation, Sales intelligence, CRM integration
Content quality
excellent
Branding
consistent

Technology

Stack
WordPress, Yoast SEO, Google Fonts, Matomo Analytics (commented/preload), Custom JavaScript and CSS
Frameworks
Bootstrap (CSS classes suggest usage)
Platforms
Web
Performance
fast
Mobile
excellent
Accessibility
good
SEO
excellent

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Secure form inputs
  • No exposed sensitive data in HTML

Analytics and tracking

Services
Matomo Analytics
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
Matomo Analytics (commented/preload)
Marketing tools
Yoast SEO
Transparency
basic

Site quality

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

Key observations

  1. Website is fully accessible with no blocking or WAF challenge.
  2. WHOIS data is missing or unavailable, which is unusual for a commercial domain.
  3. Website uses HTTPS with good security headers but could improve CSP.
  4. Privacy and cookie policies are present and GDPR compliant.
  5. Contact information is available with email, phone, and contact forms.
  6. No explicit security policy or incident response info published.
  7. Website is well designed, mobile optimized, and SEO friendly.
  8. No adult or questionable content detected.
  9. Analytics usage is moderate with Matomo, respecting privacy.
  10. No suspicious external domains detected.
Technical notes

Notes

The website is built on WordPress with Yoast SEO and uses Google Fonts and custom JavaScript/CSS. The design is responsive and optimized for mobile devices. Performance is fast with efficient resource loading and preloading of fonts. Accessibility features are present but could be further enhanced. The site uses Matomo Analytics for user tracking, indicating a preference for privacy-friendly analytics. No major technical debt or outdated libraries were detected. Opportunities exist to improve security headers and implement advanced accessibility features to further modernize the technical infrastructure.
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. 59/100 −7Medium32 findingsView report
  2. 66/100Medium31 findingsView report
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