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/pikowy/ikona_SO_300.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 Sat, 22 Sep 2018 13:51:00 GMT
Server Apache
Last-Modified Mon, 12 Feb 2018 09:38:51 GMT
Accept-Ranges bytes
Content-Length 31759
X-Hostname f5
ETag 7c0f-56500a549c8a4-gzip
Content-Type image/jpeg

Load Info

page size31759
load time (s)2.544373
redirect count0
speed download0
server IP141.105.20.134


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