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:cet.com.cn/upload/Image/2018/02/13/xwtp/1_2006513925.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
Powered by: Very Tiny URL Shortener at https://vturl.net VeryTinyURL

Header

HTTP/1.1 200 OK
Server nginx
Date Mon, 10 Dec 2018 11:40:44 GMT
Content-Type image/jpeg
Content-Length 81909
Connection keep-alive
Last-Modified Tue, 13 Feb 2018 02:24:54 GMT
Accept-Ranges bytes
ETag f3d75dd571a4d31:0
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Load Info

page size81909
load time (s)0.903482
redirect count0
speed download0
server IP103.25.37.171


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