Check server response of

Server response
NS records
Whois domain
Response headers
Request headers
Raw HTML code
301 Moved Permanently - yii.com
HTTP Status: 301
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Date: Wed, 30 Apr 2025 10:46:09 GMT
Content-Type: text/html
Content-Length: 167
Connection: keep-alive
Cache-Control: max-age=3600
Expires: Wed, 30 Apr 2025 11:46:09 GMT
Location: https://yii.com/
Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=plzlqVLl2bjISWl%2FyuZ9JwUS1CeYO4wNPrKwC87yfrNxzrhr%2B6EgQZGUQqSAg5I3vZws0VhQxtxt2Bs9yTYmZ5wR%2Ffpug05b32fvS6%2BX2DCeUNG5tDY3hecxhOwaSAp6sgW0icsu"}],"group":"cf-nel","max_age":604800}
NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
Server: cloudflare
CF-RAY: 93867424c8889d6a-AMS
alt-svc: h3=":443"; ma=86400
server-timing: cfL4;desc="?proto=TCP&rtt=29515&min_rtt=29515&rtt_var=14757&sent=1&recv=3&lost=0&retrans=0&sent_bytes=0&recv_bytes=163&delivery_rate=0&cwnd=249&unsent_bytes=0&cid=0000000000000000&ts=0&x=0"

HTTP Code 301 Moved Permanently

301 status 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://yii.com/
HTTP Status: 200
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Date: Wed, 30 Apr 2025 10:46:09 GMT
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
Connection: keep-alive
Last-Modified: Sun, 06 Oct 2024 15:28:49 GMT
Access-Control-Allow-Origin: *
expires: Wed, 30 Apr 2025 10:56:09 GMT
Cache-Control: max-age=600
x-proxy-cache: MISS
X-GitHub-Request-Id: 8067:3F0E9C:A350:BE54:6811FF71
Age: 0
Via: 1.1 varnish
X-Served-By: cache-bma1678-BMA
X-Cache: MISS
X-Cache-Hits: 0
X-Timer: S1746009970.567354,VS0,VE112
Vary: Accept-Encoding
X-Fastly-Request-ID: 80f1737d67f11fcb366cfd151e40cd23d1d8afcc
cf-cache-status: DYNAMIC
Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=Es%2F2uNW9HRD2%2FBN%2F0AIYznfZB6Tlr6MP1%2BsDel3DR53%2BViGH9L4EsRXmzTDo1W%2FTr6S8TDxiSBFDUP%2FhvokexsO8Co375jkOa00j%2F68dJ09E5H1%2F68Z0hVOm36MN1W%2BYmsn3%2Bwx6"}],"group":"cf-nel","max_age":604800}
NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
Server: cloudflare
CF-RAY: 9386742578339302-CPH
alt-svc: h3=":443"; ma=86400
server-timing: cfL4;desc="?proto=TCP&rtt=18519&min_rtt=18488&rtt_var=5258&sent=5&recv=7&lost=0&retrans=0&sent_bytes=2824&recv_bytes=782&delivery_rate=216383&cwnd=252&unsent_bytes=0&cid=2b1ab4884636c200&ts=207&x=0"

HTTP Code 200 OK

200 status 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: yii.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">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>年纪大了</title>
    <link rel="icon" href="/the-end.png" type="image/x-icon">
    <style>
        body {
            max-width: 55rem;
            margin: 0 auto;
            padding: 1rem;
            font-size: large;
            font-weight: lighter;
            font-family: sans-serif;
            line-height: 2rem;
        }

        b {
            font-size: larger;
        }

        code {
            display: inline-block;
            background-color: #f8f9fa;
            padding: 0.2rem 0.4rem;
            border-radius: 0.25rem;
            margin-top: 2rem;
        }

        footer {
            margin-top: 1rem;
        }

        .icon {
            width: 3rem;
            height: 3rem;
        }

        @media (prefers-color-scheme: dark) {
            body {
                background-color: #333;
                color: #fff;
            }

            code {
                background-color: #444;
            }

            footer {
                color: #ccc;
            }

            a:visited {
                color: #ccc;
            }
        }
    </style>
</head>

<body>
    <img class="icon" src="/the-end.png"><br><br>
    <b>年纪大了</b>,拥有的东西越来越多,难以割舍的也越来越多。<br>
    你的线上资产(域名、加密货币),微信支付宝、银行、股票账户。<br>
    如何在你离开后,让这些资产有序地交接给你的家人?<br>
    <i>慢慢要考虑这个问题了。</i><br>
    配置好你的线上平台、密码管理器的信任联系人。<br>
    为你的家人留下一份线上<b>资产清单</b>。<br>
    域名多<b>续费</b>几年,<br>
    给他们时间学习如何处理。<br>
    接下来的时间考虑如何 <code>好好生活</code><br>
    <footer><small>2024 年 10 月 06 日&nbsp;&copy;&nbsp;<a href="https://lifelonglearn.ing">奶爸 · 终身学习</a></small></footer>
</body>

<script>
console.log(`%c
              _ _           
  _ __   __ _(_) |__   __ _ 
 | '_ \\ / _\` | | '_ \\ / _\` |
 | | | | (_| | | |_) | (_| |
 |_| |_|\\__,_|_|_.__/ \\__,_|
`, 'color: #007bff; font-size: 1.5rem;');
</script>

</html>                               

Whois info of domain

Domain Name: YII.COM
Registry Domain ID: 533310_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.cloudflare.com
Registrar URL: http://www.cloudflare.com
Updated Date: 2024-08-09T15:30:28Z
Creation Date: 1997-09-19T04:00:00Z
Registry Expiry Date: 2033-09-18T04:00:00Z
Registrar: Cloudflare, Inc.
Registrar IANA ID: 1910
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +1.6503198930
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: IGOR.NS.CLOUDFLARE.COM
Name Server: PAM.NS.CLOUDFLARE.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-04-30T10:45:54Z <<<
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