M.b moves char-count closer to Mastodon’s 500 @manton + allows double for quotes.
But what happens to 600char posts?
Let’s find out:

domainnamescanbeupto63charlongforeachsubdomainbut253total.domainnamescanbeupto63characterslonglikethisbutshortdomainhacks.domainnamescanbeupto63characterslonglikethisbutshortdomainhacks.domainnamescanbeupto63characterslonglikethisbutshortdomainhacks .win

-me

N.b separated TLD cos otherwise it wouldn’t bee seen by Mastodon as over 500:

Links must start with http (s):// and are counted as 23 characters regardless of length

-Mastodon

(#tech)