If you are not sure if the website you want to visit is safe, you can check it out here. Enter the address (url) of the website and see the invisible elements, such as a header or meta data.
site address:img.grouponcdn.com/sls/4LrU8qM2xMb1ich1mnFf4L8Coqb5/gcx-baby-kids-and-toys-335x256/v1/q7...
favicon.ico:
URL does not point to a web page (html/xhtml) or read error or page not found. (5002)

Header

HTTP/1.1 200 OK
Server nginx/1.12.2
Content-Type image/jpeg
Content-Length 9150
Last-Modified Wed, 22 Aug 2018 21:01:19 GMT
ETag b118e7eb3879e1f5b7db63eb92b41a51
Cache-Control public, max-age=2591970
Expires Wed, 19 May 2021 22:17:38 GMT
Date Mon, 19 Apr 2021 22:18:08 GMT
Connection keep-alive
Access-Control-Allow-Origin *

Load Info

page size9150
load time (s)0.239925
redirect count0
speed download38136
server IP104.80.20.162


* all occurrences of the string "http://" have been changed to "htt???/"