No data is collected about you specifically.
The only data I collect is a log of all connections made to the kasad.com server. It contains the IP address from which the connection was made, your User-Agent (a string of text which identifies your browser type/version), and the URL of the page you requested.
Here’s what one of those log entries looks like:
This data is only collected to detect hacking attempts, and it is deleted after 4 weeks. I don’t have enough storage space on my server to spy on you. 😄
kasad.com does not store any cookies.