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Security report for lightspeed.ac

Lightspeed · Technology · N/a

Medium risk. 5 critical or high findings in Security headers, GDPR outside view and 1 other check.

Security score

68/100

Risk levelMedium

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

Lightspeed provides a specialized image optimization service that leverages open source technology and Cloudflare's global CDN to deliver fast, cached, and resized images worldwide. The service targets web developers and website owners seeking to improve website performance and Core Web Vitals through efficient image handling. The business model is based on offering a free service hosted on Lightspeed's infrastructure, emphasizing speed and ease of integration. Technically, the website is built using modern frameworks such as Next.js and React, ensuring good performance, mobile optimization, and accessibility. The use of Cloudflare enhances security and global delivery capabilities. Security posture is strong with HTTPS enforced and security headers present, though there is room for improvement in publishing explicit security policies and incident response plans. Privacy compliance is basic, with a privacy policy present but lacking cookie consent mechanisms. Overall, the website is professional, trustworthy, and well-positioned in its niche, though enhancing privacy and security transparency would further strengthen its credibility.

Scanned

This is an earlier scan of lightspeed.ac. View the latest report

NIS2 and GDPR posture

GDPR outside view
53/ 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 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 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

  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 Protocols Supported

      Server supports weak protocols: TLSv1.1

      What to do: Disable TLS 1.0, TLS 1.1, and all SSL versions

      • CWE-327
      • OWASP A04:2025
      • ASVS V12.1.1

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

Keep watching lightspeed.ac

This scan found 25 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.

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Full report

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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
72
Security headers
35
Email security
70
DNS health
80
Network security
100
GDPR outside view
53
Average
68

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

The company operates in the technology sector, focusing on web performance optimization through image caching and resizing. Its competitive advantage lies in leveraging open source tools combined with Cloudflare's CDN, offering a free and easy-to-use service. The target customers are developers and digital marketers who require fast image delivery. The business appears small but technically mature, with a clear market niche. Partnerships include open source communities and Cloudflare. The website content and branding are consistent, supporting a professional image. Revenue streams are not explicit but likely indirect, possibly through related services or brand building. Growth potential exists given the increasing importance of web performance.

Security posture

The website demonstrates a mature security posture with HTTPS enforced and multiple security headers implemented. The use of Cloudflare provides additional protection against DDoS and other attacks. No vulnerabilities or exposed sensitive data were detected in the content. However, the absence of a published security policy, incident response plan, or vulnerability disclosure program limits transparency and preparedness. Privacy compliance is partial, lacking cookie consent mechanisms and detailed GDPR adherence. The use of PostHog for analytics indicates moderate user tracking, which should be clearly disclosed. Overall, the security posture is strong but could benefit from enhanced policy publication and user privacy controls.

Recommendations

  1. Implement a cookie consent banner to comply with GDPR and enhance user privacy transparency.
  2. Publish a comprehensive security policy and incident response plan accessible from the website.
  3. Create and maintain a vulnerability disclosure program or security.txt file to encourage responsible reporting.
  4. Expand contact information to include additional channels such as phone or physical address for trust enhancement.
  5. Regularly review and update privacy policies to reflect data collection and retention practices clearly.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Lightspeed
Description
A powerful image cache & resize service to optimize images, free and open source, powered by wsrv.nl and Cloudflare.
Key services
Image resizing, Image caching, Image format conversion, Performance optimization
Content quality
good
Branding
consistent

Technology

Stack
React, Next.js, Cloudflare CDN, weserv/images library
Frameworks
Next.js
Platforms
Cloudflare
Performance
fast
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
90/100
Good practices seen
  • HTTPS enforced
  • Use of Cloudflare CDN for DDoS protection and caching
  • No exposed sensitive data in HTML
  • Secure form inputs

Analytics and tracking

Services
PostHog
Tracking level
moderate
Privacy practices
basic

Advertising

Tracking pixels
PostHog
Marketing tools
PostHog
Transparency
basic

Site quality

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

Key observations

  1. Website provides a free, open source image optimization service.
  2. Powered by Cloudflare CDN ensuring fast global delivery.
  3. No cookie consent mechanism detected despite GDPR relevance.
  4. Contact information limited to email only; no phone or physical address found.
  5. No explicit security or incident response policies published.
  6. Use of modern web technologies and frameworks.
  7. Good SEO and accessibility practices observed.
  8. No suspicious or malicious content detected.
Technical notes

Notes

The website uses a modern technology stack including Next.js and React, ensuring good performance and mobile responsiveness. Hosting on Cloudflare provides fast global content delivery and security benefits. The site includes proper meta tags for SEO and accessibility features. No CMS was detected, indicating a custom or framework-based build. The site loads quickly and is well-structured, with no broken elements observed. Use of open source libraries like weserv/images aligns with the service's open source ethos. Technical risks are minimal, but ongoing monitoring for library vulnerabilities and performance optimization is recommended.
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. 75/100Medium28 findingsView report
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