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:blogcritics.org/wp-content/uploads/2018/01/privateprison-110x75.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 Mon, 19 Feb 2018 17:36:57 GMT
Content-Type image/jpeg
Content-Length 3541
Last-Modified Thu, 04 Jan 2018 00:19:08 GMT
Connection keep-alive
ETag 5a4d72fc-dd5
Accept-Ranges bytes

Load Info

page size3541
load time (s)0.328273
redirect count0
speed download0
server IP70.32.105.207


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