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:storage.ning.com/topology/rest/1.0/file/get/1425421031?profile=RESIZE_180x180&width=96&height=96&crop=1%3A...
URL does not point to a web page (html/xhtml) or read error or page not found. (400)
Url ContentJavaScript Object Notation (JSON)
MIME Type / Internet Media Typeapplication/json
MIME Type application
File Extension.json
More Details (link to:)Wikipedia: JSON
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Header

HTTP/1.1 400 Bad Request
Date Tue, 16 Jul 2019 08:45:55 GMT
Connection Keep-Alive
Accept-Ranges bytes
Cache-Control max-age=60
Content-Length 47
Content-Type application/json;charset=UTF-8
X-HW 1563266755.dop003.pa1.t,1563266755.cds038.pa1.p
Access-Control-Allow-Origin *

Load Info

page size47
load time (s)1.71007
redirect count0
speed download0
server IP205.185.216.42


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