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Security report for getbootstrap.com

Bootstrap team · Technology · N/a

Medium risk. 6 critical or high findings in Security headers, GDPR outside view and 1 other check.

Security score

71/100

Risk levelMedium

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

Bootstrap is a leading open source frontend toolkit providing HTML, CSS, and JavaScript components for building responsive websites. Established in 2012, it has grown to become the most popular UI framework globally, serving web developers and designers with a comprehensive set of tools including Sass customization, JavaScript plugins, and an extensive icon library. The website reflects a mature project with excellent content quality, professional design, and clear navigation tailored for technical audiences. Technically, the site leverages modern technologies such as Astro for static site generation, Cloudflare for DNS, and jsDelivr CDN for asset delivery, ensuring fast performance and mobile optimization. Security posture is solid with HTTPS enforced and integrity attributes on CDN resources, though it lacks some security headers and formal policies. Privacy compliance is minimal with no visible privacy or cookie policies, and no contact or incident response information is provided. Overall, the domain registration is consistent and trustworthy, aligning with the project's history and reputation.

Scanned

This is an earlier scan of getbootstrap.com. View the latest report

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

6 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 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';…
  2. 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

    • 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 getbootstrap.com

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
75
Security headers
40
Email security
85
DNS health
75
Network security
100
GDPR outside view
50
Average
71

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 getbootstrap.com, from OffSeq Breach.

Total records
5,622
Employees
0
Customers
5,580
Third parties
42
Weak passwords
13%

14 subdomains affected

See the 10 newest leaked credentials

A one-off add-on to this report that lists the most recent identifier and password pairs OffSeq Breach holds for getbootstrap.com.

Select it in the checkout above.

Breach keeps ingesting new leaks, so these numbers can grow between scans.

Technical appendix

Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.

Business context

Business profile

Bootstrap operates as an open source project with a business model that includes premium themes and icon sets sold via official marketplaces. Its market position is dominant in the frontend development ecosystem, targeting developers and designers globally. The project benefits from a strong community and corporate sponsorships via platforms like Open Collective. Revenue streams likely include theme sales, icon licensing, and sponsorships. The ecosystem includes partner domains for themes, icons, blogs, and swag sales, indicating a diversified offering. Growth is supported by continuous releases and active GitHub contributions. The absence of direct contact information suggests a community-driven support model rather than traditional corporate customer service.

Security posture

The website demonstrates a good security baseline with HTTPS and CDN integrity checks. The removal of jQuery dependency in JavaScript plugins reduces attack surface. However, the absence of security headers such as Content-Security-Policy and lack of published security policies or incident response contacts indicate room for improvement. No vulnerabilities or exposed sensitive data were detected in the analyzed content. Privacy compliance is weak, lacking GDPR-related disclosures or cookie consent mechanisms. The domain uses Cloudflare DNS but does not enable DNSSEC, which could enhance DNS security. Overall, the security posture is adequate for an open source project website but could be strengthened to meet enterprise standards.

Recommendations

  1. Publish comprehensive privacy and cookie policies to improve GDPR compliance and user trust.
  2. Implement security headers like Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security.
  3. Enable DNSSEC on the domain to enhance DNS security.
  4. Add a security.txt file or dedicated vulnerability disclosure page with incident response contacts.
  5. Provide clear contact information for business and security inquiries to improve transparency and trust.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Bootstrap team
Description
Powerful, extensible, and feature-packed frontend toolkit. Build and customize with Sass, utilize prebuilt grid system and components, and bring projects to life with powerful JavaScript plugins.
Key services
Frontend toolkit (CSS, JS, Sass), JavaScript plugins, Bootstrap Icons, Official Bootstrap Themes marketplace
Content quality
excellent
Branding
consistent

Technology

Stack
HTML5, CSS3, Sass, JavaScript, Bootstrap 5.3.7, Popper.js, Astro (static site generator), Algolia DocSearch, Cloudflare DNS
Frameworks
Bootstrap 5
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Use of integrity attributes on CSS and JS CDN links
  • No jQuery dependency in JS plugins
  • Use of data attribute API for JS plugins

Analytics and tracking

Services
Fathom Analytics
Tracking level
minimal
Privacy practices
basic

Advertising

Ad networks
carbonads
Tracking pixels
fathom
Marketing tools
Algolia DocSearch
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 rich content and documentation.
  2. No explicit privacy, cookie, or terms of service pages found on main page HTML.
  3. No contact emails or phone numbers explicitly listed on the homepage.
  4. Strong presence of open source trust signals and community engagement.
  5. Use of modern web technologies and static site generation.
  6. No visible security headers in HTML but HTTPS and integrity attributes used.
  7. No forms detected on the homepage for data collection.
  8. External links mostly to trusted domains related to Bootstrap ecosystem.
  9. Minimal user tracking with privacy-respecting analytics (Fathom).
  10. No signs of adult or questionable content.
Technical notes

Notes

The website is built using modern web technologies including Astro for static site generation, Bootstrap 5.3.7 for UI components, Sass for styling, and Popper.js for positioning. It uses jsDelivr CDN for asset delivery and Algolia DocSearch for search functionality, indicating a well-architected and performant infrastructure. The site is mobile-optimized and accessible with semantic HTML and ARIA attributes. Performance is fast due to static content delivery and minimal external dependencies. The use of integrity attributes on CDN resources enhances security. No CMS is detected, suggesting a fully static site approach. Technical risks are low, but the lack of some security headers and formal policies could be addressed to reduce potential attack vectors.
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. 67/100 −6Medium30 findingsView report
  2. 73/100Medium24 findingsView report
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