Better 404 design
There are exactly three things I want from a 404 page:
Something approaching an apology An easy way to report the broken link Copy that might elicit a sensible chuckle This page only took a few minutes to make. The "let us know" link pre-populates the entire e-mail and is implemented in a Rails view thanks to a helper method that makes constructing mail_to links a little nicer:
def mail_to_url(email, **options) "mailto:#{email}?