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:tennessee.edu/wp-content/uploads/2015/08/ut-knoxville-ayres-hall.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
Date Sun, 17 Jun 2018 23:33:01 GMT
Content-Type image/jpeg
Content-Length 949904
Last-Modified Sat, 15 Apr 2017 10:25:10 GMT
Connection keep-alive
Keep-Alive timeout=20
ETag 58f1f506-e7e90
X-Type static/known
Cache-Control public, max-age=2592000
Vary Accept-Encoding
Access-Control-Allow-Origin *
Accept-Ranges bytes

Load Info

page size949904
load time (s)0.215261
redirect count0
speed download0
server IP35.185.81.97


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