I did my mom's website for her small law firm and I was getting tons of bots even with hidden form fields and they didn't look targetted. Captcha helped a lot b

I did my mom's website for her small law firm and I was getting tons of bots even with hidden form fields and they didn't look targetted. Captcha helped a lot but the spam didn't stop until I used both combined with special rules, like the phone number field has to have a certain amount of numbers.