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301 Moved Permanently - cwlau.com
HTTP Status: 301
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Connection: close
Content-Length: 0
Server: Varnish
Retry-After: 0
Location: https://cwlau.com/
Accept-Ranges: bytes
Date: Sun, 18 May 2025 21:11:32 GMT
X-Served-By: cache-hel1410030-HEL
X-Cache: HIT
X-Cache-Hits: 0
X-Timer: S1747602692.284324,VS0,VE0
alt-svc: h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400

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://cwlau.com/
HTTP Status: 200
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Connection: keep-alive
Content-Length: 3699
Cache-Control: max-age=3600
Content-Type: text/html; charset=utf-8
Etag: "ad1547bab39f6f538524434f7b95bfe0da30dd801f99adbc54f58a68e7c6c596"
Last-Modified: Sun, 25 Jun 2023 14:52:00 GMT
Strict-Transport-Security: max-age=31556926
Accept-Ranges: bytes
Date: Sun, 18 May 2025 21:11:32 GMT
X-Served-By: cache-hel1410023-HEL
X-Cache: MISS
X-Cache-Hits: 0
X-Timer: S1747602692.304945,VS0,VE162
Vary: x-fh-requested-host, accept-encoding
alt-svc: h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400

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

<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>Welcome to cwlau.com</title>

    <link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.6.3/css/solid.css" integrity="sha384-+0VIRx+yz1WBcCTXBkVQYIBVNEFH1eP6Zknm16roZCyeNg2maWEpk/l/KsyFKs7G" crossorigin="anonymous">
    <link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.6.3/css/brands.css" integrity="sha384-1KLgFVb/gHrlDGLFPgMbeedi6tQBLcWvyNUN+YKXbD7ZFbjX6BLpMDf0PJ32XJfX" crossorigin="anonymous">
    <link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.6.3/css/fontawesome.css" integrity="sha384-jLuaxTTBR42U2qJ/pm4JRouHkEDHkVqH0T1nyQXn1mZ7Snycpf6Rl25VBNthU4z0" crossorigin="anonymous">

    <style media="screen">
      body { background: #ECEFF1; color: rgba(0,0,0,0.87); font-family: Roboto, Helvetica, Arial, sans-serif; margin: 0; padding: 0; }
      #message { background: white; max-width: 360px; margin: 100px auto 16px; padding: 32px 24px; border-radius: 3px; }
      #message h2 { color: #ffa100; font-weight: bold; font-size: 16px; margin: 0 0 8px; }
      #message h1 { font-size: 22px; font-weight: 300; color: rgba(0,0,0,0.6); margin: 0 0 16px;}
      #message p { line-height: 140%; margin: 16px 0 24px; font-size: 14px; }
      #message a { color: #039be5; }
      #message { box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24); }
      @media (max-width: 600px) {
        body, #message { margin-top: 0; background: white; box-shadow: none; }
        body { border-top: 16px solid #ffa100; }
      }
      .contact{font-size: 0.9em;}
      .contact .contact-title{font-weight: bold;}
      .contact .contact-method{padding: 2px;}
      .contact .contact-method i{margin-right: 4px;}
    </style>
  </head>
  <body>
    <div id="message">
      <h2>Welcome to</h2>
      <h1>cwlau.com</h1>
      <p>Hi, my name is Lau Chun Wai (William), a full-stack web developer from Hong Kong. </p>
      <p>I am interested in web development with modern techniques. I mainly develop with Python (Django or Flask), React, TypeScript, Google App Engine, HTML5, CSS3, JavaScript, PHP, MySQL, etc.</p>
      <p>I was the award winner of competitions organized by Google such as <a href="https://developers.googleblog.com/2013/05/the-results-are-in-hardcode-secure.html" target="_blank">Hardcode</a> <a href="https://security.googleblog.com/2013/05/the-results-are-in-hardcode-secure.html" target="_blank">2013</a> and GCDC 2013.</p>

      <div class="contact">
        <div class="contact-title">
          Contact:
        </div>

        <div class="contact-method">
          <i class="fas fa-fw fa-at"></i> <span>contact (at) cwlau (dot) com</span>
        </div>
        <div class="contact-method">
          <i class="fab fa-fw fa-github"></i> <a href="https://github.com/cwlau" target="_blank">https://github.com/cwlau</a>
        </div>
        <div class="contact-method">
          <i class="fab fa-fw fa-linkedin"></i> <a href="https://www.linkedin.com/in/cwlau" target="_blank">https://www.linkedin.com/in/cwlau</a>
        </div>
        <div class="contact-method">
          <i class="fab fa-fw fa-angellist"></i> <a href="https://angel.co/cwlau" target="_blank">https://angel.co/cwlau</a>
        </div>
      </div>

    </div>


    <!-- Google tag (gtag.js) -->
    <script async src="https://www.googletagmanager.com/gtag/js?id=G-YJXLLFN7KV"></script>
    <script>
      window.dataLayer = window.dataLayer || [];
      function gtag(){dataLayer.push(arguments);}
      gtag('js', new Date());

      gtag('config', 'G-YJXLLFN7KV');
    </script>

  </body>
</html>

Whois info of domain

Domain Name: CWLAU.COM
Registry Domain ID: 1650335119_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.godaddy.com
Registrar URL: http://www.godaddy.com
Updated Date: 2025-04-04T16:07:25Z
Creation Date: 2011-04-11T16:08:28Z
Registry Expiry Date: 2026-04-11T16:08:28Z
Registrar: GoDaddy.com, LLC
Registrar IANA ID: 146
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: 480-624-2505
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientRenewProhibited https://icann.org/epp#clientRenewProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Name Server: JACK.NS.CLOUDFLARE.COM
Name Server: KRISTIN.NS.CLOUDFLARE.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-18T21:11:20Z <<<
For more information on Whois status codes, please visit https://icann.org/epp
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