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Stale-While-Revalidate Caching for VIN Decode Responses
VIN decode responses from NHTSA vPIC are mostly stable for a given 17-character string: make, model, and body class do not change minute to minute. Users still expect a snappy UI. Stale-while-revalidate (SWR) is a caching pattern that serves the last good decode immediately and refreshes in the…