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:idea-server.net/photo/kindoruuu.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
Date Tue, 12 Dec 2017 00:23:48 GMT
Server Apache/2.4.29
Last-Modified Sun, 02 Feb 2014 23:14:23 GMT
ETag 6d9f314-1051-4f174914bb1c0
Accept-Ranges bytes
Content-Length 4177
Content-Type image/jpeg

Load Info

page size4177
load time (s)1.927569
redirect count0
speed download0
server IP59.106.27.190


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