Ooh, they are on the Fediverse too!
Shout out to the other co-chair of the Social Web working group @tantek.com , and the co-chair of the Social Web incubator community group and contributor to several Social Web specs spec @aaronpk !
Everyone who directly contributed to #ActivityPub are listed in the acknowledgements of the standard: https://www.w3.org/TR/activitypub/#acknowledgements
Important note: you should NEVER do this to trailing slashes that exist in the path itself!
https://simonwillison.net/tags and https://simonwillison.net/tags/ are not technically the same URL
But... https://simonwillison.net/ and https://simonwillison.net ARE the same
And if you've decided not to display the https:// protocol, I think it looks prettier if you don't show the trailing slash either
(This is possibly the least important aesthetic preference anyone has ever expressed)