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.o571.com/images/wxlg_office.gi...
Url ContentGraphics Interchange Format
MIME Type / Internet Media Typeimage/gif
MIME Type image
File Extension.gif
More Details (link to:)Wikipedia: Graphics Interchange Format
Powered by: Very Tiny URL Shortener at https://vturl.net VeryTinyURL

Header

HTTP/1.1 200 OK
Cache-Control max-age=1296000
Content-Length 2176
Content-Type image/gif
Last-Modified Fri, 27 Mar 2015 02:10:15 GMT
Accept-Ranges bytes
ETag 36c33c2a3368d01:0
Server Microsoft-IIS/7.5
X-Powered-By ASP.NET
Date Sun, 25 Feb 2018 07:41:22 GMT

Load Info

page size2176
load time (s)0.743312
redirect count0
speed download0
server IP118.31.112.121


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