=== HTTP code : 404 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
Date: Tue, 30 Nov 2021 08:18:38 GMT
Transfer-Encoding: chunked
Connection: close
Cache-Control: max-age=3600
Expires: Tue, 30 Nov 2021 09:18:38 GMT
Location: https://addyosmani.com/blog/catch404/
Report-To: {&quot;endpoints&quot;:[{&quot;url&quot;:&quot;https:\/\/a.nel.cloudflare.com\/report\/v3?s=hXHxQfTs%2BYOnrp%2F9AS%2BCkov%2FcR7DeTe46PmCAkXmj9uUUykRKvvfrNGIOWC9Pc7tQ7IOOo%2B0wyfcyhK7w3a2CkWMpvqnvYnXWT2%2BO7SE03nDxvoXX%2Bnt20wi6rII9xsvkQ%3D%3D&quot;}],&quot;group&quot;:&quot;cf-nel&quot;,&quot;max_age&quot;:604800}
NEL: {&quot;success_fraction&quot;:0,&quot;report_to&quot;:&quot;cf-nel&quot;,&quot;max_age&quot;:604800}
Server: cloudflare
CF-RAY: 6b62a56c8a993408-NRT
alt-svc: h3=&quot;:443&quot;; ma=86400, h3-29=&quot;:443&quot;; ma=86400, h3-28=&quot;:443&quot;; ma=86400, h3-27=&quot;:443&quot;; ma=86400

HTTP/1.1 404 Not Found
Date: Tue, 30 Nov 2021 08:18:38 GMT
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
Connection: close
vary: Accept-Encoding
access-control-allow-origin: *
content-security-policy: default-src 'none'; style-src 'unsafe-inline'; img-src data:; connect-src 'self'
x-proxy-cache: MISS
x-github-request-id: 4108:3E33:18B200:261E1E:61A5DE5E
CF-Cache-Status: DYNAMIC
Expect-CT: max-age=604800, report-uri=&quot;https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct&quot;
Report-To: {&quot;endpoints&quot;:[{&quot;url&quot;:&quot;https:\/\/a.nel.cloudflare.com\/report\/v3?s=%2FLgXZf4Kx7Ir3SVc46nkYGwV99x5S0EhgJVeBL8cBos7NOiTvlhMvrzZe%2FD9KrgqOvcK7icFpFWwcRVjMIb%2FTU%2Ffg%2BZvVECtWqbVWCEo7nBsT2iCtEtIrk6kE%2BYsV1DB%2Bg%3D%3D&quot;}],&quot;group&quot;:&quot;cf-nel&quot;,&quot;max_age&quot;:604800}
NEL: {&quot;success_fraction&quot;:0,&quot;report_to&quot;:&quot;cf-nel&quot;,&quot;max_age&quot;:604800}
Server: cloudflare
CF-RAY: 6b62a56d3fa380ad-NRT
alt-svc: h3=&quot;:443&quot;; ma=86400, h3-29=&quot;:443&quot;; ma=86400, h3-28=&quot;:443&quot;; ma=86400, h3-27=&quot;:443&quot;; ma=86400

Request headers
================
GET /blog/catch404/ HTTP/1.1
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Host: addyosmani.com
Accept: */*
Referer: http://web-marketing.zako.org
Connection: close
Range: bytes=0-2048

Response HTML
================
&lt;!DOCTYPE html&gt;
&lt;html&gt;
  &lt;head&gt;
    &lt;meta http-equiv=&quot;Content-type&quot; content=&quot;text/html; charset=utf-8&quot;&gt;
    &lt;meta http-equiv=&quot;Content-Security-Policy&quot; content=&quot;default-src 'none'; style-src 'unsafe-inline'; img-src data:; connect-src 'self'&quot;&gt;
    &lt;title&gt;Page not found &amp;middot; GitHub Pages&lt;/title&gt;
    &lt;style type=&quot;text/css&quot; media=&quot;screen&quot;&gt;
      body {
        background-color: #f1f1f1;
        margin: 0;
        font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif;
      }

      .container { margin: 50px auto 40px auto; width: 600px; text-align: center; }

      a { color: #4183c4; text-decoration: none; }
      a:hover { text-decoration: underline; }

      h1 { width: 800px; position:relative; left: -100px; letter-spacing: -1px; line-height: 60px; font-size: 60px; font-weight: 100; margin: 0px 0 50px 0; text-shadow: 0 1px 0 #fff; }
      p { color: rgba(0, 0, 0, 0.5); margin: 20px 0; line-height: 1.6; }

      ul { list-style: none; margin: 25px 0; padding: 0; }
      li { display: table-cell; font-weight: bold; width: 1%; }

      .logo { display: inline-block; margin-top: 35px; }
      .logo-img-2x { display: none; }
      @media
      only screen and (-webkit-min-device-pixel-ratio: 2),
      only screen and (   min--moz-device-pixel-ratio: 2),
      only screen and (     -o-min-device-pixel-ratio: 2/1),
      only screen and (        min-device-pixel-ratio: 2),
      only screen and (                min-resolution: 192dpi),
      only screen and (                min-resolution: 2dppx) {
        .logo-img-1x { display: none; }
        .logo-img-2x { display: inline-block; }
      }

      #suggestions {
        margin-top: 35px;
        color: #ccc;
      }
      #suggestions a {
        color: #666666;
        font-weight: 200;
        font-size: 14px;
        margin: 0 10px;
      }

    &lt;/style&gt;
  &lt;/head&gt;
  &lt;body&gt;

    &lt;div class=&quot;container&quot;&gt;

      &lt;h1&gt;404&lt;/h1&gt;
      &lt;p&gt;&lt;strong&gt;File not found&lt;/strong&gt;&lt;/p&gt;

      &lt;p&gt;
        The site configured at this address does not
        contain the request
Link is broken.