Send a short reminder along with a link to your RSVP page on your webpage. You can also do this via text or social media.
You can delegate the task of calling or texting each person to a bridesmaid, groomsman or family member.
Call your nearest and dearest and let them know that you mean business when it comes to your RSVP deadline.
You can make announcements at one (or all) of your pre-wedding events like your engagement party, bridal shower or bachelorette bash.