# check-my-headers vs Jsmon 2.0: side-by-side comparison (2026)

[check-my-headers](https://cybersectools.com/tools/check-my-headers) is a free [security scanning](https://cybersectools.com/categories/security-scanning) solution. [Jsmon 2.0](https://cybersectools.com/tools/jsmon-20) is a commercial [security scanning](https://cybersectools.com/categories/security-scanning) solution by [JSmon](https://cybersectools.com/companies/jsmon). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | check-my-headers | Jsmon 2.0 |
|---|---|---|
| Pricing model | Free | Commercial |
| Category | Security Scanning | Security Scanning |
| Verified | No | No |
| Deployment type | On-Premises | Cloud |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| GitHub stars | 46 | – |
| Last commit | Jun 2023 | – |
| Company | – | JSmon |
| Headquarters | – | – |

### Use cases and capabilities

| | check-my-headers | Jsmon 2.0 |
|---|---|---|
| Security Scanning | Yes | – |
| Node.js | Yes | – |
| Secret Detection | – | Yes |
| Supply Chain Security | – | Yes |
| Third Party Security | – | Yes |
| Web Security | – | Yes |

### Core features

**check-my-headers**

No features listed.

**Jsmon 2.0**

10 features listed. Sign in on the page to see them.

### Integrations

**check-my-headers**

No integrations listed.

**Jsmon 2.0**

6 integrations listed. Sign in on the page to see them.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [check-my-headers](https://cybersectools.com/tools/check-my-headers) fits if you need to run it on your own servers, you need a free product and you want an open-source product.
- [Jsmon 2.0](https://cybersectools.com/tools/jsmon-20) fits if you want a cloud product.

## check-my-headers vs Jsmon 2.0 FAQ

Common questions when comparing check-my-headers vs Jsmon 2.0 for security scanning.

### What is the difference between check-my-headers and Jsmon 2.0?

**check-my-headers**: A Node.js tool that analyzes HTTP security headers on websites to identify missing or problematic security configurations.

**Jsmon 2.0**: JavaScript security scanner for detecting vulnerabilities in third-party scripts, built by JSmon.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes check-my-headers and Jsmon 2.0?

**check-my-headers** is open-source with 46 GitHub stars. **Jsmon 2.0** is made by JSmon. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is check-my-headers a good alternative to Jsmon 2.0?

Often, yes. check-my-headers and Jsmon 2.0 are both Security Scanning products. Key differences: check-my-headers is Free while Jsmon 2.0 is Commercial, check-my-headers is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [check-my-headers vs CyberChecker](https://cybersectools.com/compare/check-my-headers-vs-cyberchecker)
- [check-my-headers vs Domain Verity](https://cybersectools.com/compare/check-my-headers-vs-domain-verity)
- [check-my-headers vs RoboShadow OWASP ZAP Vulnerability Scanner](https://cybersectools.com/compare/check-my-headers-vs-roboshadow-owasp-zap-vulnerability-scanner)
- [Jsmon 2.0 vs CyberChecker](https://cybersectools.com/compare/cyberchecker-vs-jsmon-20)
- [Jsmon 2.0 vs Domain Verity](https://cybersectools.com/compare/domain-verity-vs-jsmon-20)
- [Jsmon 2.0 vs RoboShadow OWASP ZAP Vulnerability Scanner](https://cybersectools.com/compare/jsmon-20-vs-roboshadow-owasp-zap-vulnerability-scanner)

## Alternatives to each

- [See all check-my-headers alternatives](https://cybersectools.com/alternatives/check-my-headers)
- [See all Jsmon 2.0 alternatives](https://cybersectools.com/alternatives/jsmon-20)

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Source: https://cybersectools.com/compare/check-my-headers-vs-jsmon-20

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/check-my-headers.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on check-my-headers and Jsmon 2.0: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md