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/sparta/2CCkh7LtdoGJ3GGnvJa3fxvzeeWy/2C-415x360.jp...
favicon.ico:
URL does not point to a web page (html/xhtml) or read error or page not found. (5002)
Url ContentJPEG Image
MIME Type / Internet Media Typeimage/jpeg
MIME Type image
File Extension.jpeg, .jpg
More Details (link to:)RFC 1314
Powered by: Very Tiny URL Shortener at https://vturl.net VeryTinyURL

Header

HTTP/1.1 200 OK
Server nginx/1.12.2
Content-Type image/jpeg
Content-Length 59581
Last-Modified Fri, 06 Sep 2019 17:21:16 GMT
ETag 9c9db98c408cf4c73e1c731b302b9025
Cache-Control public, max-age=2591986
Expires Tue, 25 Feb 2020 11:44:26 GMT
Date Sun, 26 Jan 2020 11:44:40 GMT
Connection keep-alive
Access-Control-Allow-Origin *

Load Info

page size59581
load time (s)0.732175
redirect count0
speed download81375
server IP104.80.20.162


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