i'm not sure why this is on the front page as it seems very obvious. but i occasionally echo json-encoded data directly into the script to aid with quick render

i'm not sure why this is on the front page as it seems very obvious. but i occasionally echo json-encoded data directly into the script to aid with quick rendering/low latency, minimizing # or requests. things like initial data points for a js chart are a good example of when this is useful.