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:mangomediaads.com/index_files/mangoback.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/1.4.6 (Ubuntu)
Date Sat, 26 May 2018 04:27:50 GMT
Content-Type image/jpeg
Content-Length 30528
Last-Modified Tue, 16 May 2017 05:44:54 GMT
Connection keep-alive
ETag 591a91d6-7740
Access-Control-Allow-Origin *
Accept-Ranges bytes

Load Info

page size30528
load time (s)0.107722
redirect count0
speed download0
server IP54.85.214.212


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