HTTPステータスコードチェッカー

このツールの使い方

1. 1

   Paste a full URL (for example https://example.com/page) into the input box.

2. 2

   Click Analyze to have our server fetch the URL on your behalf.

3. 3

   Read the large status code, its status text, and the Final URL after any redirects.

4. 4

   Change the URL and run again to compare endpoints or recheck after a fix.

HTTPステータスコードチェッカーとは何ですか？

よくある活用例

• Confirm a page returns 200 OK after deploying a change or fixing a broken link.

• Verify that an old URL ends at the right destination after setting up redirects for a site migration.

• Diagnose why a link is failing by seeing whether it returns 404, 403, 401, or a 5xx error.

• Spot-check that a server is reachable over HTTPS rather than only plain HTTP.

• Test whether a third-party API endpoint or webhook URL responds before wiring it into your code.

• Check competitor or partner URLs for outages or moved pages without installing any software.

よくある質問