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:softonet.pl/zdjecia/artykuly/roomunho/niusy/newsy%2006%202015/bitcoin%20a%20sprawa%20grecji/bitcoin_logo_120.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 Thu, 20 Sep 2018 22:52:54 GMT
Server Apache
Last-Modified Mon, 29 Jun 2015 15:58:48 GMT
Accept-Ranges bytes
Content-Length 12277
X-Hostname f2
ETag 2ff5-519aa2a473e00-gzip
Content-Type image/jpeg

Load Info

page size12277
load time (s)1.543631
redirect count0
speed download0
server IP141.105.20.134


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