HTTP Header Checker | 2lus

Inspect a safe allowlist of actual public response headers.

What it does

Inspect safely exposed HTTP headers. Inspect public website status, headers and redirects.

What this tool accepts

text, a URL, or values entered in the tool

What it produces

JSON

How to use it

1. Enter a complete HTTP(S) URL and choose an inspection mode.
2. Run and inspect the current response and redirect chain.

Example

Input:
https://example.com

Options:
mode: headers

Output:
Safe header fields present in the actual response.

Tips and notes

• One request is not uptime monitoring; WordPress detection uses public hints only.

Privacy and processing

The URL is sent to the 2lus server for a bounded remote inspection. Results are temporary and no browser code from the target is executed.

Open this tool or browse all 2lus tools.