To be fair, even Tim Berners Lee doesn't understand what the :// is for and has apologised for adding it.

Which would be even more of a reason to standardise an input field that handles web addresses as humans enter them, not machines prefer them. Yet, here we are.

Looks cool - have upvoted you on producthunt great work. I do think your marketing copy at the top of this site is a bit wordy though. 14 words for an h1 is a lot!