description Mozilla HTTP Observatory Overview
The Mozilla HTTP Observatory is a free web tool designed to analyze the performance of websites. It examines network requests through its scanner, focusing on key aspects like connection times, SSL/TLS versions, and HTTP headers. This information helps developers and website administrators identify potential speed or security issues and improve their sites’ overall efficiency.
help Mozilla HTTP Observatory FAQ
What does the Mozilla HTTP Observatory test?
The Mozilla HTTP Observatory is a free tool that scans websites to evaluate their security configurations, specifically analyzing HTTP response headers. It checks for protections against cross-site scripting (XSS), insecure cookies, and proper SSL/TLS implementation.
What is a good score on the Mozilla HTTP Observatory test?
The tool grades websites from F to A+, and a score of 100 out of 100 is required to achieve an A+. To get an A+, sites must pass advanced checks like implementing Content Security Policy (CSP) and HTTP Strict Transport Security (HSTS).
Can I scan my local development environment with Mozilla HTTP Observatory?
By default, the public online tool cannot scan local hostnames or private IP addresses because it requires a public-facing URL. However, the HTTP Observatory can be self-hosted locally via Docker or the command line to test internal environments.
Is Mozilla HTTP Observatory free to use?
Yes, the Mozilla HTTP Observatory is a completely free, open-source project provided by Mozilla. Developers can use the web interface or integrate the scanning API into their CI/CD pipelines without any licensing fees.
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