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:sport.elka.pl/zdjecia/72/2018012121100857.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/1.6.2
Date Sat, 24 Feb 2018 05:46:15 GMT
Content-Type image/jpeg
Content-Length 5503
Connection keep-alive
Expires Sat, 24 Feb 2018 05:47:15 GMT
Cache-Control max-age=60
Accept-Ranges bytes
ETag 316492445
Last-Modified Sun, 21 Jan 2018 20:10:08 GMT

Load Info

page size5503
load time (s)0.112282
redirect count0
speed download0
server IP195.62.12.100


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