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:spotify.i.lithium.com/t5/image/serverpage/avatar-name/Country/avatar-theme/candy/avatar-collection/Spotify_New/avatar-display-size/message/version/1_1?xdesc=1....
Url ContentPortable Network Graphics (PNG)
MIME Type / Internet Media Typeimage/png
MIME Type image
File Extension.png
More Details (link to:)RFC 2083
Powered by: Very Tiny URL Shortener at https://vturl.net VeryTinyURL

Header

HTTP/1.1 200 OK
Cache-Control max-age=900
Content-Disposition inline
Content-Type image/png;charset=UTF-8
Date Tue, 21 Nov 2017 06:10:52 GMT
Expires Wed, 21 Nov 2018 06:10:52 GMT
Last-Modified Tue, 21 Nov 2017 06:07:18 GMT
Server Apache
Set-Cookie LiSESSIONID=20C0689E676C25ADD2F7603DF33BA9D4; Path=/; HttpOnly
Content-Length 2221

Load Info

page size2221
load time (s)0.077192
redirect count0
speed download0
server IP93.184.220.97


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