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:kuaxue.com/Public/newindex/images/logo.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
Server nginx/1.6.2
Date Wed, 13 Dec 2017 20:21:20 GMT
Content-Type image/jpeg
Content-Length 30016
Connection keep-alive
Last-Modified Thu, 04 Aug 2016 07:30:36 GMT
ETag 57a2ef1c-7540
Accept-Ranges bytes

Load Info

page size30016
load time (s)0.899623
redirect count0
speed download0
server IP121.42.231.177


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