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SEO and auditingChecked through WebDiag API

Bulk HTTP Status Checker

Paste up to 50 HTTP(S) URLs to get an ordered result for each address without a hidden site crawl.

  • Up to 50 URLs
  • Five concurrent requests
  • Isolated errors
Online tool

Try the tool

Enter a URL: WebDiag will run a safe network check and show the result.

URLs to inspect

Results

Per-URL statuses and errors will appear here after the check.

Network check through backend

For HTTP/SEO tools, the URL is sent to the WebDiag API, where SSRF protection, DNS/IP policy, and redirect limits are applied.

Reviewed: 2026-07-17
01

How to use it

  1. 1

    Paste one URL per line.

  2. 2

    Run the check and wait for the bounded batch to finish.

  3. 3

    Review successful statuses, redirects, and per-address errors.

02

What the tool can do

  • Preserves input order and returns one result for every submitted URL.
  • Shows the final URL, HTTP status, redirect count, and available response headers.
  • Isolates URL failures so one unavailable or rejected address does not cancel the batch.
03

Common use cases

  • Check a list of landing pages after a migration or release.
  • Find 404 and 5xx responses in a prepared set of important URLs.
  • Verify final destinations after configuring a redirect batch.
04

How it works inside

Every URL passes backend public HTTP(S), DNS/IP policy, and connected-peer verification.

The backend runs no more than five checks concurrently and caps each batch at 50 URLs.

05

Questions and answers

Is this a full-site crawler?

No. Only submitted URLs are checked. Link discovery and traversal belong to a separate crawler tool.

Why can one URL fail while the others succeed?

Each address is checked independently. A network error, SSRF policy rejection, or unavailable host is recorded for that item without hiding other results.