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:graph.facebook.com/1971824066408522/picture?width=150&height=15...
URL does not point to a web page (html/xhtml) or read error or page not found. (6403)
Url ContentJavaScript Object Notation (JSON)
MIME Type / Internet Media Typeapplication/json
MIME Type application
File Extension.json
More Details (link to:)Wikipedia: JSON
Powered by: Very Tiny URL Shortener at https://vturl.net VeryTinyURL

Header

HTTP/1.1 403 Forbidden
Access-Control-Allow-Origin *
WWW-Authenticate OAuth Facebook Platform invalid_request (#4) Application request limit reached
Pragma no-cache
Cache-Control no-store
x-fb-rev 3593105
Content-Type application/json; charset=UTF-8
x-fb-trace-id DvUXU8Nhhcq
facebook-api-version v2.5
Expires Sat, 01 Jan 2000 00:00:00 GMT
X-FB-Debug 0I4Q5B9kRUj5ss2zk0DUPaKN8qLZJCKHM/MEx+iQTXLELFa18Q5rnLqUekKSCLJNphzhWLvUlZVr09ew9UGrVw==
Date Wed, 24 Jan 2018 03:52:29 GMT
Connection keep-alive
Content-Length 0

Load Info

load time (s)0.052259
redirect count0
speed download0
server IP179.60.192.3


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