=== HTTP code : 200 ===

Response headers
================
HTTP/2 200 
content-type: text/html; charset=UTF-8
content-length: 60927
server: nginx
date: Sat, 10 May 2025 03:17:12 GMT
cache-control: must-revalidate, no-cache, private
x-drupal-dynamic-cache: HIT
content-language: en
x-content-type-options: nosniff
x-frame-options: SAMEORIGIN
expires: -1
pragma: no-cache
strict-transport-security: max-age=31536000; includeSubDomains
x-es-cache: HIT
vary: Accept-Encoding
x-cache: Miss from cloudfront
via: 1.1 3f20d665089a361ca1fc0218db87df5c.cloudfront.net (CloudFront)
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Request headers
================
HEAD /products HTTP/2
Host: www.energystar.gov
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://greenmanual.rutgers.edu
connection: close


Link is valid.