There's no support team or ticket queue behind CountLink — messages go directly to the person who builds and maintains it.
Email: [email protected]
Reasonable things to write in about:
Since CountLink has no accounts and no database, most "can you fix my timer" requests can't actually be actioned on the server side — there's no server-side record of any individual countdown to look up. If a specific shared link isn't working, including the exact link (or a screenshot of the address bar) in your message is the fastest way to help diagnose it.
Response times vary since this is independently maintained, not a staffed support line — but real messages do get read and replied to.