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:www.autoforum.cz/tmp/magazin/ne/NACTOY_2018_vitezove_kategorii_Perex_130_0.jp...
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 Mon, 19 Feb 2018 08:02:54 GMT
Server Apache
Last-Modified Mon, 15 Jan 2018 18:35:33 GMT
ETag 19a177-26c0-562d4e11e4740
Accept-Ranges bytes
Content-Length 9920
Content-Type image/jpeg

Load Info

page size9920
load time (s)0.076723
redirect count0
speed download0
server IP81.95.98.8


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