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.pornvideobook.com/timg/854.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 14:11:12 GMT
Content-Type image/jpeg
Content-Length 8329
Last-Modified Mon, 19 Feb 2018 04:18:26 GMT
Connection keep-alive
ETag 5a8a5012-2089
X-Frame-Options DENY
Accept-Ranges bytes

Load Info

page size8329
load time (s)0.198536
redirect count0
speed download0
server IP78.140.172.100


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