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:jj12114.com/file/upload/201107/05/12-51-23-40-152.jpg.thumb.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
Date Tue, 23 Jan 2018 04:02:34 GMT
Content-Length 3011
Content-Type image/jpeg
Content-Location htt???/jj12114.com/file/upload/201107/05/12-51-23-40-152.jpg.thumb.jpg
Last-Modified Tue, 05 Jul 2011 04:51:24 GMT
Accept-Ranges bytes
ETag 02ee730cf3acc1:b19
Server Microsoft-IIS/6.0

Load Info

page size3011
load time (s)4.020759
redirect count0
speed download0
server IP116.255.176.95


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