check web redirect url status code checker

Check server response of

Server response
NS records
Whois domain
Response headers
Request headers
Raw HTML code
301 Moved Permanently - jjpdf.com
HTTP Status: 301
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Date: Fri, 09 May 2025 02:36:55 GMT
Content-Type: text/html
Content-Length: 162
Connection: keep-alive
Location: https://jjpdf.com

HTTP Code 301 Moved Permanently

301 http code 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.

200 OK - https://jjpdf.com
HTTP Status: 200
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Date: Fri, 09 May 2025 02:36:55 GMT
Content-Type: text/html
Content-Length: 561
Connection: keep-alive
Last-Modified: Fri, 25 Apr 2025 10:21:30 GMT
ETag: "680b622a-231"
Cache-Control: no-cache
Accept-Ranges: bytes
Strict-Transport-Security: max-age=15724800; includeSubDomains

HTTP Code 200 OK

200 http code is a standard successful HTTP server response. It means that the client’s request (e.g., from a browser) was successfully processed, and the server is delivering the requested data.

When is Code 200 used?

  • When loading a web page
  • When successfully receiving an API response
  • When processing a form or another HTTP request

What does Code 200 mean for the user?

The user receives content without errors, and the page or application functions properly. If Code 200 is accompanied by data, the browser or program processes and displays it to the user.

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

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <link rel="icon" href="/favicon.ico" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <script async defer data-website-id="7f08c401-400b-42f6-ae21-8f26293eddd0" src="https://umami.djyanbao.com/umami.js"></script>
    <title>极简PDF</title>
    <script type="module" crossorigin src="/assets/index.65dae363.js"></script>
    <link rel="stylesheet" href="/assets/index.a8e800d1.css">
  </head>
  <body>
    <div id="app"></div>
    
  </body>
</html>

Whois info of domain

Domain Name: JJPDF.COM
Registry Domain ID: 2657299051_DOMAIN_COM-VRSN
Registrar WHOIS Server: grs-whois.hichina.com
Registrar URL: http://wanwang.aliyun.com
Updated Date: 2021-11-25T06:21:33Z
Creation Date: 2021-11-25T06:14:40Z
Registry Expiry Date: 2026-11-25T06:14:40Z
Registrar: Alibaba Cloud Computing Ltd. d/b/a HiChina (www.net.cn)
Registrar IANA ID: 1599
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +86.95187
Domain Status: ok https://icann.org/epp#ok
Name Server: DNS11.HICHINA.COM
Name Server: DNS12.HICHINA.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-09T02:36:44Z <<<
For more information on Whois status codes, please visit https://icann.org/epp
NOTICE: The expiration date displayed in this record is the date the
TERMS OF USE: You are not authorized to access or query our Whois
by the following terms of use: You agree that you may use this Data only
to: (1) allow, enable, or otherwise support the transmission of mass