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:uno.edu/includes/images/UTC.jp...
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
Content-Length 2791
Content-Type image/jpeg
Last-Modified Fri, 19 Oct 2012 09:26:17 GMT
Accept-Ranges bytes
ETag dc53c8cadbadcd1:0
Server Microsoft-IIS/7.5
X-Powered-By ASP.NET
Date Tue, 20 Feb 2018 21:41:08 GMT

Load Info

page size2791
load time (s)2.395013
redirect count0
speed download0
server IP137.30.242.38


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