Loads the CI-rendered pages into the serving table. On for free, off for paid, overridable both ways; an absent prefill.json is normal (the site starts cold). Shared by the /__migrate route and the alarm chain, the only path a deployed site takes.
prefill.json
/__migrate
Optional
the ?prefill= override: '1' on, '0' off, undefined defers to the plan
?prefill=
Loads the CI-rendered pages into the serving table. On for free, off for paid, overridable both ways; an absent
prefill.jsonis normal (the site starts cold). Shared by the/__migrateroute and the alarm chain, the only path a deployed site takes.