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HTTP Observatory VS Prime Dev Force Security

Compare HTTP Observatory VS Prime Dev Force Security and see what are their differences

HTTP Observatory

Developed by Mozilla, the HTTP Observatory performs an in-depth assessment of a site’s HTTP headers and other key security configurations.

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Rating
0 reviews
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Alternatives Is it good?
Prime Dev Force Security

Check HTTPS, TLS certificates, security headers, DNS and email authentication (SPF, DMARC, DKIM) for free, with evidence and a prioritized fix list.

Rating
0 reviews
Pricing
Freemium $12 / Monthly (Pro, 5 websites)
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Alternatives Is it good?
Hyperview
DCIM software reinvented. sponsored

Which is more popular?

Web Application Security popularity
87% vs 13%
alternatives listed
65 vs 7

Base details

Website, pricing, platforms and company facts side by side.

HTTP Observatory
Prime Dev Force Security
Website developer.mozilla.org primedevforce.com
Pricing —
Freemium $12 / Monthly (Pro, 5 websites) Official pricing
Company — Startup from the United States · 1 - 9 employees
Listed in
Sales Automation Market Research Lead Management Web Application Security +1
Web Application Security Email Security Network Security Security Monitoring Tools Security Monitoring DMARC Monitoring +4

Features and specs

What each product offers, as listed by its team.

HTTP Observatory 0 features
Prime Dev Force Security 8 features

No features have been listed yet.

  • Free security check
    No account needed; results in 3–15 seconds
  • What it checks
    HTTPS, redirects, TLS certificates, security headers, DNS, CDN/firewall, blocklists
  • Email authentication
    SPF, DKIM and DMARC checks with the evidence for each finding
  • Prioritized fix list
    Every finding ranked by severity, with confidence and steps to fix
  • Report export
    JSON and PDF reports
  • Daily monitoring
    Pro: 5 domains checked every day, with 1 year of history
  • Alerts
    Slack, Discord or any webhook when a new medium or high issue appears
  • Agency client reports
    30 client domains with branded PDF or revocable read-only links

Analysis

An editorial look at what each product does well and who it suits.

HTTP Observatory
Prime Dev Force Security

Overall verdict

  • HTTP Observatory by Mozilla (now hosted on MDN) is a free, reliable, and well-maintained security scanning tool that helps developers assess and improve the security posture of their websites through actionable, standards-based recommendations.

Why this product is good

  • It's completely free to use and backed by Mozilla, a trusted name in web standards and security
  • Provides a clear letter-grade score along with detailed, actionable feedback on HTTP security headers
  • Checks important security configurations like Content Security Policy (CSP), HSTS, X-Frame-Options, cookies, and more
  • Offers educational context and links to MDN documentation, helping developers understand the 'why' behind each recommendation
  • Continuously updated to reflect current web security best practices
  • Simple, straightforward interface that requires no signup or installation to run a basic scan

Recommended for

  • Web developers looking to harden the security of their sites
  • Security engineers performing quick baseline assessments of HTTP headers
  • Small teams or solo developers without a dedicated security budget
  • Educators and students learning about web security best practices
  • DevOps professionals integrating security checks into their workflows
  • Anyone wanting to validate their site's security headers against modern standards

No analysis of Prime Dev Force Security yet.

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
HTTP Observatory
Prime Dev Force Security
87% 87%
Web Application Security
13% 13%
100% 100%
Security
0% 0%
0% 0%
Email Security
100% 100%
100% 100%
Developer Tools
0% 0%

Questions & Answers

As answered by people managing HTTP Observatory and Prime Dev Force Security.

Why should a person choose your product over its competitors?

Prime Dev Force Security's answer:

The free check needs no account and takes seconds. Every finding explains why it was flagged and how to fix it, and the scoring method is published. When you want more, Pro adds daily monitoring with Slack, Discord or webhook alerts for $12/month, and Agency adds branded client reports for 30 domains at $49/month. It is honest about its scope: an outside-in configuration check, not a penetration test.

What makes your product unique?

Prime Dev Force Security's answer:

It checks web and email security in one report. Most free tools cover headers, or TLS, or DMARC; Prime Dev Force checks HTTPS, TLS, security headers, DNS and SPF/DKIM/DMARC together, and shows the evidence, severity and confidence behind every finding. The result is a ranked fix list, not just a grade.

How would you describe the primary audience of your product?

Prime Dev Force Security's answer:

Small business owners, developers and freelancers who run their own websites, and agencies who look after many client sites and need to show clients what was fixed.

What's the story behind your product?

Prime Dev Force Security's answer:

Small business owners, developers and freelancers who run their own websites, and agencies who look after many client sites and need to show clients what was fixed.

Which are the primary technologies used for building your product?

Prime Dev Force Security's answer:

  • TypeScript
  • Cloudflare Workers
  • Cloudflare D1
  • Cloudflare Queues
  • Stripe (billing)
  • PHP (optional server agent)

User comments

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