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 Sat, 20 Oct 2018 01:54:27 GMT
Cache-Control max-age=2592000
Expires Mon, 19 Nov 2018 01:54:27 GMT
Last-Modified Fri, 12 May 2017 04:45:56 GMT
Content-Type image/jpeg
Content-Length 5271
X-NWS-UUID-VERIFY 7420a627e0cdc165ccaf48b7cb0a5200
ETag 59153e04-1497
Accept-Ranges bytes
X-Daa-Tunnel hop_count=2
X-NWS-LOG-UUID 2ec04334-0cbc-4fd4-8fbe-20b5abf22281 cb241fe1eaa83309300d1e9604ec7a26
X-Cache-Lookup Hit From Upstream
X-Cache-Lookup Hit From Upstream

Load Info

page size5271
load time (s)4.940056
redirect count0
speed download0
server IP101.69.121.19

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