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:www.elcorteingles.es/sgfm/SGFM/contents/images/uploads/2018/11/5bfd2ff2a406311a47837f48.gi...
favicon.ico:
URL does not point to a web page (html/xhtml) or read error or page not found. (5002)
Url ContentGraphics Interchange Format
MIME Type / Internet Media Typeimage/gif
MIME Type image
File Extension.gif
More Details (link to:)Wikipedia: Graphics Interchange Format
Powered by: Very Tiny URL Shortener at https://vturl.net VeryTinyURL

Header

HTTP/1.1 200 OK
Accept-Ranges bytes
Content-Length 12134
Content-Type image/gif
Last-Modified Tue, 27 Nov 2018 11:52:18 GMT
p3p CP= NON CUR OTPi OUR NOR UNI
Date Fri, 21 Feb 2020 18:52:49 GMT
Connection keep-alive

Load Info

page size12134
load time (s)0.073777
redirect count0
speed download164468
server IP92.122.148.238


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