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:secure.gravatar.com/avatar/ad0b538acffa6d362b41d8bec351ad23?s=140&d=mm&r=...
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 Mon, 18 Feb 2019 21:00:39 GMT
Content-Type image/jpeg
Content-Length 2094
Connection keep-alive
Last-Modified Wed, 11 Jan 1984 08:00:00 GMT
Link <htt????/www.gravatar.com/avatar/ad0b538acffa6d362b41d8bec351ad23?s=140&d=mm&r=g>; rel= canonical
Access-Control-Allow-Origin *
Content-Disposition inline; filename= ad0b538acffa6d362b41d8bec351ad23.png
X-nc MISS cdg 4
Accept-Ranges bytes
Expires Mon, 18 Feb 2019 21:05:39 GMT
Cache-Control max-age=300
Source-Age 0

Load Info

page size2094
load time (s)0.004992
redirect count0
speed download0
server IP192.0.73.2


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