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:pbs.twimg.com/profile_images/1128304873231962113/jF-hpCI3_400x400.jp...
URL does not point to a web page (html/xhtml) or read error or page not found. (404)
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/1.1 404 Not Found
access-control-allow-origin *
access-control-expose-headers Content-Length
cache-control max-age=3600, must-revalidate
Content-Type image/jpeg
date Sun, 18 Aug 2019 07:39:19 GMT
server ECS (pox/A5CB)
strict-transport-security max-age=631138519
X-Cache MISS
x-connection-hash 679310ed32e0a8c8bade6f6a4a5e5d3f
X-Content-Type-Options nosniff
x-response-time 119
Content-Length 0

Load Info

load time (s)1.710972
redirect count0
speed download0
server IP93.184.220.70


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