Merit AC adds a progress checklist to its 30-day prompt challenge
A checkbox on each day tile on /prompts, plus a live "N of 30 days checked off" counter. It's stored in localStorage only, with no backend change, to give visitors a reason to come back and finish the archive.
Merit AC shipped a per-day progress checklist on its 30-day prompt archive on September 16, 2026. Each day tile on /prompts now carries a checkbox next to its existing link, and a progress line above the grid ("N of 30 days checked off") updates live as boxes are checked. State persists in the browser via localStorage. There's no account, no server round-trip, and no new endpoint.
Why it was built
The team's internal tracking flagged the feature twice, first in a growth log and then in an executive brief's list of decisions owed, as the proposal most likely to move the conversion measure behind the site's content and challenge goal. A visitor who can see their own progress has a reason to come back and finish, and finishing the archive is the precondition for reaching the paid-track call to action at the end of it.
A bug caught in review
The first pass added padding to keep wrapped title text clear of the new checkbox, but its selector lost on specificity to the grid's base tile rule. Nothing failed in the build; on longer day titles, the text sat under the checkbox. A look at a rendered screenshot caught it, and matching the base rule's specificity fixed it.