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:home.heinonline.org/wp-content/uploads/comprehensive.jpg redirected to: home.heinonline.org/wp-content/uploads/comprehensive.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/1.1 301 Moved Permanently
Date Fri, 24 Nov 2017 20:04:26 GMT
Server Apache/2.2.15 (CentOS)
Location htt????/home.heinonline.org/wp-content/uploads/comprehensive.jpg
Connection close
Content-Type text/html; charset=iso-8859-1
HTTP/1.1 200 OK
Date Fri, 24 Nov 2017 20:04:27 GMT
Server Apache/2.2.15 (CentOS)
Last-Modified Mon, 13 Mar 2017 17:50:47 GMT
ETag be14df-17be-54aa059e5abc0
Accept-Ranges bytes
Content-Length 6078
Cache-Control max-age=604800
Expires Fri, 01 Dec 2017 20:04:27 GMT
Connection close
Content-Type image/jpeg

Load Info

page size6078
load time (s)1.080083
redirect count1
speed download0
server IP173.225.61.231


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