Does the checker follow redirects automatically on the server?

Each hop is requested separately through the DevTools proxy with redirect: manual so you see every status and Location header.

Can I trace internal or localhost URLs?

No. The proxy only allows public http(s) URLs and blocks private network targets for safety.

Trace HTTP redirect hops — status, Location header, and final URL

Up to 10 redirect hops

URL

Each hop is requested through the DevTools proxy; redirects are never followed automatically.

Trace HTTP redirects, decode RFC 6455 WebSocket frames from hex, and export Postman v2.1 collections — developer utilities that run in the browser.

Define mock REST routes and intercept fetch calls client-side

Estimate how long a file takes to transfer at a given connection speed — correctly handling bits vs bytes (Mbps vs MB/s) and SI vs binary size units

Extract http(s) links from pasted HTML and check them via proxy

Convert cURL commands to code snippets in multiple languages. Parse cURL and generate JavaScript, Python, PHP, and more.

Query DNS records and resolve domain names to IP addresses

Compare DNS answers from global public resolvers and see propagation consensus instantly