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:www.economia.unical.it/prova.php?a%5B%5D=php+video+cm...
favicon.ico:
site title:phpinfo()
Url ContentHyperText Markup Language (HTML)
MIME Type / Internet Media Typetext/html
MIME Type text
File Extension.html
More Details (link to:)Wikipedia: HTML
Powered by: Very Tiny URL Shortener at https://vturl.net VeryTinyURL

Header

HTTP/1.1 200 OK
Connection close
Date Tue, 02 Mar 2021 14:39:29 GMT
Server Microsoft-IIS/6.0
MicrosoftOfficeWebServer 5.0_Pub
X-Powered-By ASP.NET
Content-type text/html
X-Powered-By PHP/4.3.10

Load Info

page size32612
load time (s)0.33879
redirect count0
speed download96260
server IP160.97.31.1

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