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.litmir.me/plugin/bbcode/images/smiles/1.gi...
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 Tue, 12 Dec 2017 00:27:53 GMT
Content-Type image/gif
Content-Length 696
Connection keep-alive
Set-Cookie __cfduid=ddc12ee34bd90f786c519faec08e9a5811513038473; expires=Wed, 12-Dec-18 00:27:53 GMT; path=/; domain=.litmir.me; HttpOnly
Last-Modified Sun, 22 Nov 2015 13:21:19 GMT
ETag 2b8-52520fbe7b1c0
CF-Cache-Status HIT
Vary Accept-Encoding
Expires Thu, 14 Dec 2017 00:27:53 GMT
Cache-Control public, max-age=172800
Accept-Ranges bytes
Server cloudflare-nginx
CF-RAY 3cbc8f7b5230695c-CDG

Load Info

page size696
load time (s)0.023148
redirect count0
speed download0
server IP104.20.71.250


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