check web redirect url status code checker

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301 Moved Permanently - sub16.com
HTTP Status: 301
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Server: nginx
Date: Fri, 16 May 2025 22:20:06 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 0
Connection: keep-alive
Keep-Alive: timeout=20
x-powered-by: WP Engine
X-Pingback: https://www.sub16.com/xmlrpc.php
P3P: CP="NOI"
Expires: Thu, 19 Nov 1981 08:52:00 GMT
X-Redirect-By: WordPress
Location: https://www.sub16.com/
X-Cacheable: bot
Cache-Control: max-age=10800, must-revalidate
X-Cache: HIT: 1
X-Cache-Group: bot
Content-Security-Policy: upgrade-insecure-requests

HTTP Code 301 Moved Permanently

301 Moved Permanently means that the requested resource has been permanently moved to a new URL. All future requests should use the new address.

When is Code 301 used?

  • When changing a website domain
  • When modifying URL structures
  • When setting up redirects for SEO

What does Code 301 mean for the user?

The browser will automatically redirect the user to the new address, and search engines will update their indexes.

429 Too Many Requests - https://sub16.com/
HTTP Status: 429
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Server: nginx
Date: Fri, 16 May 2025 22:20:07 GMT
Content-Type: text/html
Content-Length: 162
Connection: keep-alive
Keep-Alive: timeout=20

HTTP Code 429 Too Many Requests

429 Too Many Requests means that the client has sent too many requests in a short period.

When is Code 429 used?

  • When an API rate limit is exceeded
  • When a user sends too many login attempts

What does Code 429 mean for the user?

The user must wait before making more requests.

GET / HTTP/1.1
Host: sub16.com
Accept: */*
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])

<html>
<head><title>429 Too Many Requests</title></head>
<body>
<center><h1>429 Too Many Requests</h1></center>
<hr><center>nginx</center>
</body>
</html>

Whois info of domain