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/2/7/16183/16183_big.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
Connection keep-alive
Date Sun, 22 Apr 2018 12:40:38 GMT
Cache-Control max-age=2592000
Expires Tue, 22 May 2018 12:40:38 GMT
Last-Modified Fri, 12 May 2017 04:45:56 GMT
Content-Type image/jpeg
Content-Length 5271
ETag 59153e04-1497
Accept-Ranges bytes
X-Daa-Tunnel hop_count=2
X-NWS-LOG-UUID 627ff6cf-fbc7-4f1e-8cf8-fec44bc899d1 9c2e51de98a1b69570aaa6e0f8352b12
X-Cache-Lookup Hit From Upstream
X-Cache-Lookup Hit From Upstream

Load Info

page size5271
load time (s)2.787629
redirect count0
speed download0
server IP42.56.76.104

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