Focused tool
HTTP protocol / compression
Inspect HTTP version, redirects, and content compression.
Run HTTP protocol / compression
View full JSON response
Examples
Use a validated example to fill the form and execute the exact input.
https://example.com/
Usage and limits
Public network lookups use the canonical v1 JSON API with the existing input validation, timeout, response-size, rate, and SSRF controls. Tools using an API route transmit your input to this service. Browser-only tools are explicitly labelled.
API documentation: API reference. Canonical route: /api/v1/http-protocol/.
Need a broader diagnosis?
Run Domain Diagnostics for a correlated result.
Run Domain Diagnostics