=== HTTP code : 502 ===

Response headers
================
HTTP/2 502 
date: Wed, 28 Jun 2023 03:53:30 GMT
content-type: text/html
cf-cache-status: DYNAMIC
report-to: {&quot;endpoints&quot;:[{&quot;url&quot;:&quot;https:\/\/a.nel.cloudflare.com\/report\/v3?s=4zBuNY2ih9RfTqs5aqhCislwLTw9oWUWNljJBcfpdcwefUTe6mZG6IxL7aK79riTOfkXGUVxWrydzSt4AyO8skSnnhxacGo1s4seHfQns05bjw2vFLbMom%2FjXgB4Gjn4Hw%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}
referrer-policy: strict-origin-when-cross-origin
strict-transport-security: max-age=63072000; includeSubDomains
x-content-type-options: nosniff
x-frame-options: SAMEORIGIN
x-xss-protection: 0
server: cloudflare
cf-ray: 7de2fba8ed947c30-LAX
alt-svc: h3=&quot;:443&quot;; ma=86400

Request headers
================
GET /polygon-hermez-merge/ HTTP/2
Host: blog.hermez.io
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.34 Safari/537.36
Accept: */*
Referer: https://cryptogrizz.com
Connection: close
Range: bytes=0-2048

Response HTML
================
&lt;html&gt;
&lt;head&gt;&lt;title&gt;502 Bad Gateway&lt;/title&gt;&lt;/head&gt;
&lt;body bgcolor=&quot;white&quot;&gt;
&lt;center&gt;&lt;h1&gt;502 Bad Gateway&lt;/h1&gt;&lt;/center&gt;
&lt;hr&gt;&lt;center&gt;nginx/1.14.0 (Ubuntu)&lt;/center&gt;
&lt;/body&gt;
&lt;/html&gt;
&lt;!-- a padding to disable MSIE and Chrome friendly error page --&gt;
&lt;!-- a padding to disable MSIE and Chrome friendly error page --&gt;
&lt;!-- a padding to disable MSIE and Chrome friendly error page --&gt;
&lt;!-- a padding to disable MSIE and Chrome friendly error page --&gt;
&lt;!-- a padding to disable MSIE and Chrome friendly error page --&gt;
&lt;!-- a padding to disable MSIE and Chrome friendly error page --&gt;

Link is broken.