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:sankawa.nl/files/IMG_6.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 Wed, 13 Dec 2017 20:27:40 GMT
Server Apache/2
Last-Modified Fri, 10 Mar 2017 18:01:31 GMT
ETag 201-54a6426cfe779
Accept-Ranges bytes
Content-Length 513
Content-Type image/jpeg

Load Info

page size513
load time (s)0.036382
redirect count0
speed download0
server IP81.26.217.65


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