Looks like you've done a good job with making things accessible which is great! Looking through I found a couple of things which could be improved.

• The nav button should really be a <button> which toggles aria-expanded when it is clicked. It also needs an accessible name adding
• Opening the nav should trap focus inside the nav until it is closed via the button (or the escape key is presse

Hey Sean, nice benchmark, I also feel that’s its not fair to show some numbers out of thin air, claiming to be “blazing fast” which is fuse motto btw xD

You think I can dig in and add fuse benchmark there?

UPD:
I think it's fair to let parcel and fuse-box to use cache, as well as not uglifying the output. Besides, production builds are made differently as opposed to development flow. That'