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:www.a963.com/uploadfile/avatar/322/2/3211182/3211182_big.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
Connection keep-alive
Date Wed, 13 Dec 2017 22:31:16 GMT
Cache-Control max-age=2592000
Expires Fri, 12 Jan 2018 22:31:16 GMT
Last-Modified Fri, 19 Aug 2016 07:22:25 GMT
Content-Type image/jpeg
Content-Length 5454
ETag 57b6b3b1-154e
Accept-Ranges bytes
X-Daa-Tunnel hop_count=2
X-NWS-LOG-UUID 1080ef68-4380-4ebd-99ae-7a504bffd80a 25a9babe326be19e18a1b5a5a1f8aecd
X-Cache-Lookup Hit From Upstream
X-Cache-Lookup Hit From Upstream

Load Info

page size5454
load time (s)1.075529
redirect count0
speed download0
server IP139.215.203.174


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