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_21.jp...
site title:
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 Mon, 16 Jul 2018 04:45:53 GMT
Server Apache/2
Last-Modified Tue, 12 Jun 2018 12:37:37 GMT
ETag 1224-56e712198ad42
Accept-Ranges bytes
Content-Length 4644
Content-Type image/jpeg

Load Info

page size4644
load time (s)1.519756
redirect count0
speed download0
server IP81.26.217.65


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