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.umlonline.org/cmmi/themes/default/images/common/title.gi...
site title:
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
Date Sun, 18 Aug 2019 07:38:17 GMT
Server Apache/2.2.3 (CentOS)
Last-Modified Thu, 07 Jan 2010 20:39:59 GMT
ETag 2ab914b-a1e-1317a5c0
Accept-Ranges bytes
Content-Length 2590
Connection close
Content-Type image/gif

Load Info

page size2590
load time (s)2.713762
redirect count0
speed download0
server IP112.121.178.133


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