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:x.castanet.net/BigWhite/19-09/display/SP-EB-Best-Value-300x100px.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
Date Wed, 11 Dec 2019 11:17:45 GMT
Content-Type image/gif
Content-Length 64148
Connection keep-alive
Set-Cookie __cfduid=dce7f43d96c735a94ad5d70025092cfaa1576063064; expires=Fri, 10-Jan-20 11:17:44 GMT; path=/; domain=.castanet.net; HttpOnly
Last-Modified Thu, 19 Sep 2019 05:40:45 GMT
ETag fa94-592e165193140
Cache-Control max-age=7776000
Expires Tue, 10 Mar 2020 11:17:44 GMT
CF-Cache-Status MISS
Accept-Ranges bytes
Vary Accept-Encoding
Server cloudflare
CF-RAY 54370dc96cfaede7-CDG

Load Info

page size64148
load time (s)1.228141
redirect count0
speed download52231
server IP104.26.11.239

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