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:elka.pl/zdjecia/65/20180121190402517.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
Server nginx/1.6.2
Date Thu, 24 May 2018 13:56:53 GMT
Content-Type image/jpeg
Content-Length 4999
Connection keep-alive
Expires Thu, 24 May 2018 13:57:53 GMT
Cache-Control max-age=60
Accept-Ranges bytes
ETag 1045181530
Last-Modified Sun, 21 Jan 2018 18:04:02 GMT

Load Info

page size4999
load time (s)0.158505
redirect count0
speed download0
server IP195.62.12.100


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