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:missnet.cz/fotos/2009/2/fs5614/fs5614.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
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Header

HTTP/1.1 200 OK
Date Sun, 18 Aug 2019 00:59:33 GMT
Server Apache
Last-Modified Mon, 23 Feb 2009 16:21:20 GMT
ETag 250f-46398648d4000
Accept-Ranges bytes
Content-Length 9487
Content-Type image/jpeg

Load Info

page size9487
load time (s)1.539772
redirect count0
speed download0
server IP217.11.236.114


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