The most popular option should be checked. If choosing nothing is valid, then a radio group isn’t a good fit because the user cannot easily revert the group to its indeterminate state

UI/UX Design by

We make sure that your target audience has the best possible experience with your digital product. You get:

Design tailored to your audience
Proven processes customized to your needs
An expert team of experienced designers

Indeterminate Radio Buttons | CSS-Tricks

UI/UX Design by