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:picplus.ru/img/1710/01/1931160c.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/0.7.67
Date Thu, 26 Apr 2018 19:13:54 GMT
Content-Type image/jpeg
Content-Length 37094
Last-Modified Sun, 01 Oct 2017 19:12:44 GMT
Connection keep-alive
Accept-Ranges bytes

Load Info

page size37094
load time (s)0.037766
redirect count0
speed download0
server IP91.228.153.187


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