ChatGPT reload downloads 5.7MB Statsig flags unnecessarily

An investigation into ChatGPT's slow load times reveals that every page reload downloads a massive, uncompressed 5.7MB JSON feature flag payload from Statsig because the request asks for data from the beginning of time. The author notes that the server supports optimization through parameters like sinceTime and full_checksum, which reduces the response to under a kilobyte, but the client fails to utilize proper caching and repeatedly triggers quota and exception errors. Open article →