=== HTTP code : 200 ===

Response headers
================
HTTP/2 200 
server: nginx/1.23.4
date: Tue, 20 Jun 2023 16:52:55 GMT
content-type: image/png
content-length: 43699
last-modified: Wed, 19 Sep 2018 11:57:06 GMT
accept-ranges: bytes
x-proxy-cache: DISABLED

Request headers
================
HEAD /wp-content/uploads/2018/09/Gas_Safe_Register.svg_.png HTTP/2
Host: boiler-installer-boiler-repair.com
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://boiler-installer-boiler-repair.com
connection: close


Link is valid.