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:s0.2mdn.net/2537204/2-1x1.jp...
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
Accept-Ranges bytes
Content-Type image/jpeg
Content-Length 631
Access-Control-Allow-Origin *
Date Sat, 16 Dec 2017 07:15:04 GMT
Expires Sun, 17 Dec 2017 07:15:04 GMT
Cache-Control public, max-age=86400
Last-Modified Wed, 29 Mar 2017 00:03:04 GMT
X-Content-Type-Options nosniff
Server sffe
X-XSS-Protection 1; mode=block

Load Info

page size631
load time (s)0.013505
redirect count0
speed download0
server IP216.58.213.166


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