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Security report for heylink.me

HeyLink.me · Technology · United States

Medium risk. 5 critical or high findings in Security headers, GDPR outside view and 2 other checks.

Security score

73/100

Risk levelMedium

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

HeyLink.me is a well-established SaaS company founded in 2020, specializing in link-in-bio tools that enable businesses and influencers to manage and share multiple links through a single URL. The platform serves a global audience with over 10 million customers from 195 countries, positioning itself as a leading solution in the social media marketing and digital content management space. Key services include link management, social media integrations, analytics, and customizable templates designed for mobile-first experiences. The company leverages modern web technologies and integrates with popular marketing and analytics platforms to provide a seamless user experience. Technically, HeyLink.me demonstrates a mature digital infrastructure with fast performance, mobile optimization, and accessibility considerations. The use of Cloudflare for DNS and hosting, combined with modern JavaScript frameworks and libraries such as AOS and Keen Slider, supports a responsive and engaging website. The site employs comprehensive tracking and marketing tools including Google Analytics, Facebook Pixel, TikTok Pixel, and others, indicating a data-driven approach to user engagement and advertising. From a security perspective, the website enforces HTTPS with strong SSL configurations and implements key security headers. Cookie consent is managed via OneTrust, reflecting compliance with GDPR and other privacy regulations. However, explicit security policies, incident response contacts, and vulnerability disclosure mechanisms are not publicly available, representing areas for improvement. The domain registration is privacy protected but consistent with legitimate business practices, and the domain age aligns with the company's founding date. Overall, HeyLink.me presents a professional, secure, and privacy-conscious online presence with strong business credibility and technical implementation. Strategic recommendations include enhancing transparency around security policies and incident response, enabling DNSSEC, and publishing vulnerability disclosure information to further strengthen trust and compliance.

Scanned

NIS2 and GDPR posture

GDPR outside view
68/ 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

5 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 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

  3. SSL/TLS

    TLS encrypts the connection and proves the site is really yours. Weak or expiring certificates trigger browser warnings and put traffic at risk.

    • High

      Weak SSL Key Length

      SSL certificate uses 256-bit key, which is considered weak

      What to do: Use at least 2048-bit RSA or 256-bit ECC key

      • CWE-326
      • OWASP A04:2025
      • Mozilla TLS: Mozilla Server Side TLS 6.0 intermediate: rsa_key_size 2048

  4. DNS health

    DNS sends visitors and email to the right servers. Misconfigured records can cause outages or let someone redirect your traffic.

    • High

      Unregistered MX Record

      MX record points to unregistered domain: hwtw3dk5kmzleehjwfh73azfw6lvxysygkgqguwgfkduord5xuoq.mx-verification.google.com

      What to do: Remove or fix MX record pointing to unregistered domain

      • RFC 5321 §5.1
      • NIS2 21(2)(i)
      • IR 2024/2690 12.4: Implementing Regulation (EU) 2024/2690, Annex point 12.4: Asset inventory
      • NIST CM-8: NIST SP 800-53 Rev. 5 CM-8: System Component Inventory

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

Keep watching heylink.me

This scan found 18 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
75
Security headers
35
Email security
85
DNS health
75
Network security
100
GDPR outside view
68
Average
73

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

HeyLink.me operates in the competitive link-in-bio SaaS market, targeting influencers, businesses, and social media users who require consolidated link management. Its competitive advantages include a large user base, extensive integrations, and a mobile-optimized platform. The business model is subscription-based with free and paid tiers, supported by advertising and partnerships. Revenue streams likely include premium subscriptions, custom domain services, and enterprise solutions. The company maintains a broad partnership ecosystem with related domains such as kode.link and nonprofit-link.org, expanding its market reach. Growth indicators include a high customer count and multi-language support. Strategic observations highlight the importance of continuous innovation in analytics and integrations to maintain market leadership.

Security posture

HeyLink.me exhibits a strong security posture with enforced HTTPS, modern SSL configurations, and implementation of security headers such as HSTS, X-Frame-Options, and Content-Security-Policy. The presence of cookie consent mechanisms and GDPR compliance indicators further support privacy and data protection commitments. However, the absence of publicly available security policies, incident response contacts, and vulnerability disclosure channels suggests limited transparency in security governance. No vulnerabilities or exposed sensitive data were detected in the analysis. The domain's privacy protection is justified and typical for SaaS providers. Overall, the security maturity is good but could be enhanced by publishing dedicated security documentation and enabling DNSSEC.

Recommendations

  1. Enable DNSSEC on the domain to improve DNS security and prevent spoofing.
  2. Publish a dedicated security policy and incident response page to increase transparency and user trust.
  3. Implement and publicize a vulnerability disclosure program or security.txt file to encourage responsible reporting.
  4. Add explicit security contact emails (e.g., security@heylink.me) for incident reporting and communication.
  5. Regularly review and update third-party scripts and tracking pixels to minimize potential vulnerabilities.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
HeyLink.me
Description
Heylink.me is a link-in-bio tool to manage, customize, and share all your content from one simple link. Free bio link tool used by the best businesses and influencers. Maximize the impact of every digital initiative. Designed for mobile.
Key services
Link management, Social media bio link tool, Analytics, Custom templates, Integrations with ecommerce and lead generation
Content quality
excellent
Branding
consistent

Technology

Stack
JavaScript, Google Tag Manager, Google Analytics, Facebook Pixel, TikTok Pixel, Bing UET, Twitter Universal Website Tag, OneTrust Cookie Consent, Freshchat live chat, Cloudflare DNS
Frameworks
AOS (Animate On Scroll), Keen Slider
Platforms
Cloudflare, GoDaddy Registrar
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
90/100
Good practices seen
  • HTTPS enforced
  • Use of security headers
  • No exposed sensitive data in HTML
  • Cookie consent implemented

Analytics and tracking

Services
Google Analytics, Google Tag Manager, Facebook Pixel, TikTok Pixel, Bing UET, Twitter Universal Website Tag
Tracking level
extensive
Privacy practices
good

Advertising

Ad networks
Google Ads, Bing Ads, Twitter Ads, Adsterra
Tracking pixels
Facebook Pixel, TikTok Pixel, Twitter Universal Website Tag, Bing UET
Marketing tools
Freshchat
Transparency
good

Site quality

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

Key observations

  1. Website is fully accessible with rich content and no blocking.
  2. Strong privacy and cookie policies with consent mechanisms.
  3. No explicit security or incident response policies found.
  4. Extensive use of modern analytics and marketing tools.
  5. Good technical implementation with modern frameworks and performance optimizations.
  6. No suspicious or malicious indicators detected.
  7. Business is well established with a clear SaaS model and global reach.
Technical notes

Notes

The website is built using modern web technologies including JavaScript frameworks and libraries such as AOS for animations and Keen Slider for carousels. It leverages Cloudflare for DNS and hosting, ensuring fast content delivery and DDoS protection. The site integrates multiple analytics and marketing tools including Google Analytics, Facebook Pixel, TikTok Pixel, Bing UET, and Twitter tracking, indicating a sophisticated data collection strategy. Performance is optimized with lazy loading (lozad.js) and responsive design. Accessibility features are present but could be further enhanced. No CMS was explicitly detected, suggesting a custom or headless architecture. Technical risks are minimal, but reliance on multiple third-party scripts requires ongoing security monitoring.
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. 75/100Medium21 findings · partial scanView report
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