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/tx_5.jp...
Url ContentJPEG Image
MIME Type / Internet Media Typeimage/jpeg
MIME Type image
File Extension.jpeg, .jpg
More Details (link to:)RFC 1314
Powered by: Very Tiny URL Shortener at https://vturl.net VeryTinyURL

Header

HTTP/1.1 200 OK
Server nginx/1.6.2
Date Fri, 17 Nov 2017 17:45:46 GMT
Content-Type image/jpeg
Content-Length 5741
Connection keep-alive
Last-Modified Thu, 07 Apr 2016 01:40:49 GMT
ETag 5705baa1-166d
Accept-Ranges bytes

Load Info

page size5741
load time (s)0.871603
redirect count0
speed download0
server IP121.42.231.177


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