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:rbcdn.hu/b/201705/16/14042599_200x150.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
Cache-Control public
Content-Length 7906
Content-Type image/jpeg
Expires Tue, 19 Jan 2038 03:14:07 GMT
Last-Modified Sat, 06 May 2017 09:14:41 GMT
Accept-Ranges bytes
ETag 56be623149c6d21:0
Server Microsoft-IIS/7.5
Date Tue, 12 Dec 2017 00:25:49 GMT

Load Info

page size7906
load time (s)0.135204
redirect count0
speed download0
server IP91.120.24.164


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