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:tos-land.net/system/user/profil_image/11/thumb_5246078_3003497259.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
Server nginx/1.0.15
Date Tue, 17 Jul 2018 04:04:30 GMT
Content-Type image/jpeg
Content-Length 3173
Last-Modified Thu, 27 Sep 2012 10:38:51 GMT
Connection keep-alive
Accept-Ranges bytes

Load Info

page size3173
load time (s)2.772507
redirect count0
speed download0
server IP49.212.158.56


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