As @Val said, sit invites have a low success rate. This is a very frequent question, and there are many existing threads about this topic. Here’s some:
Making sure your listing is as attractive as possible is key - here’s how to link your listing to your forum bio for members to view & give feedback. How to add a listing or profile link to your FORUM profile
You might also want to give this blog a read to ensure your listing is as attractive. Hope that helps! 