You must use AI plugins, see what Google says:
To make it even easier to manage your WordPress site, you can use plugins to add AI technology. AI plugins are relatively new in website development, but have some exciting features to offer.
How do I add AI features to my website?
To get started, you can do one of two things:
- Hire a web developer. They can build a personalized chatbot for your website, and can even program it to learn.
- Use an AI chatbot tool. These programmed chatbots can be added to just about any platform, and many solutions enable you to personalize the bot yourself.
