YOUR NETWORK, UNDERSTOOD

Clarity at every layer.

From DNS to the final byte. Find the why behind your API.

Diagnostic overview

Sample report

The whole picture, one layer at a time.

GEThttps://api.example.com/v1/health

Illustrative data · run a diagnosis for live results

Where does the time go?

Connection phases · final request

Measured end to end

2,103msTotal request time

Elevated response time

0 ms1,052 ms2,103 ms

DNS lookup

34 ms

TCP connection

71 ms

TLS handshake

91 ms

Waiting for response

1,847 ms

Content download

60 ms

88% of this request was spent waiting after connection. Start with application traces and upstream dependencies.

A little clarity

Your next steps, in plain English

PERFORMANCE & HTTP

Most of the wait is after connection

The connection is healthy. The largest delay comes before the response arrives.

CORS

Cross-origin browser access is restricted

The observed policy does not permit this request from https://your-app.com. Restricting cross-origin access may be intentional.

A finding is a starting point, not a verdict. Context matters.

HTTP journey

0 redirects

https://api.example.com/v1/health200

OK · 2.10 s · IPv4

1Requests

0Redirects

0 msRedirect overhead

Direct connection. No extra hops.

Behind the endpoint

CDN / proxy

Cloudflare

Transport

HTTP/1.1

Encryption

TLS 1.3

Server vantage

Example · Washington, D.C.

Header hints, not a verified infrastructure inventory.

A second perspective

Compare your browser with the diagnostic server

Browser comparison

DIAGNOSTIC SERVER2.04 sTo response headers · HTTP 200

YOUR BROWSERNot measuredAn optional, direct request from your device

Contacts the target directly and exposes your IP to it. Uses your actual app origin, no cookies, no custom headers, and does not follow redirects.