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.erotelki.org/uploads/posts/2017-11/1511163910_all-ero-015066.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
Server nginx
Date Wed, 13 Dec 2017 01:37:57 GMT
Content-Type image/jpeg
Content-Length 48800
Last-Modified Mon, 20 Nov 2017 07:44:37 GMT
Connection keep-alive
ETag 5a1287e5-bea0
Expires Fri, 12 Jan 2018 01:37:57 GMT
Cache-Control max-age=2592000
Accept-Ranges bytes

Load Info

page size48800
load time (s)0.256803
redirect count0
speed download0
server IP5.44.220.117


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