Type-ahead-find (find on page by just starting to type) is amazing and something unique to Firefox. Some sites have keyboard shortcuts though and the find feature interferes with those. It would be nice to be able to save a list of exceptions where pressing keys don't trigger the find-on-page.
As a user, I would like to add a website to a list of exceptions for type-ahead-find, so that websites with keyboard shortcuts will function as expected.
An example is Google Drive. Pressing + or - will zoom the PDF but the Firefox find function thinks I'm searching for + or - as soon as I type it.