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:steamcdn-a.akamaihd.net/steamcommunity/public/images/avatars/df/dfe43b73e10c63124cd00dbfcd03200e5dc5fd6a_medium.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/1.10.3 (Ubuntu)
Content-Type image/jpeg
Content-Length 2926
Last-Modified Wed, 10 Oct 2018 15:45:48 GMT
ETag 5bbe1eac-b6e
Access-Control-Allow-Origin *
Accept-Ranges bytes
Cache-Control public, max-age=315359973
Expires Mon, 15 Oct 2029 02:19:50 GMT
Date Fri, 18 Oct 2019 02:20:17 GMT
Connection keep-alive

Load Info

page size2926
load time (s)0.067333
redirect count0
speed download0
server IP95.101.39.10


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