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:k12.sd.us/includes/member_button.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
Content-Length 252
Content-Type image/gif
Last-Modified Fri, 27 Jun 2014 19:15:37 GMT
Accept-Ranges bytes
ETag 273902d3c92cf1:0
Server Microsoft-IIS/8.5
Date Mon, 19 Feb 2018 14:06:56 GMT
Set-Cookie BIGipServerWeb_www.k12.sd.us_pool=3744772302.20480.0000; path=/; Httponly

Load Info

page size252
load time (s)0.401939
redirect count0
speed download0
server IP206.176.53.70


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