How can an IRC chat be integrated into a website without requiring users to have an IRC client?

To integrate an IRC chat into a website without requiring users to have an IRC client, you can use a web-based IRC client like qwebirc. This client can be embedded directly into your website using an iframe, allowing users to chat without needing to install any additional software.

<iframe src="https://webchat.quakenet.org/?channels=YourChannelName" width="100%" height="500"></iframe>