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:img.youtube.com/vi/4jt0NQDa1Q4/default.jp...
favicon.ico:
URL does not point to a web page (html/xhtml) or read error or page not found. (5002)
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
Accept-Ranges bytes
Content-Type image/jpeg
Timing-Allow-Origin *
Content-Length 3694
Date Wed, 26 Feb 2020 04:23:17 GMT
Expires Wed, 26 Feb 2020 06:23:17 GMT
Cache-Control public, max-age=7200
ETag 0
X-Content-Type-Options nosniff
Server sffe
X-XSS-Protection 0

Load Info

page size3694
load time (s)0.08164
redirect count0
speed download45247
server IP216.58.204.142


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