BFCM

Abbreviation · Hacker Culture

Definitions

  1. Black Friday / Cyber Monday — the peak traffic period for e-commerce platforms, typically spanning the last weekend of November. For engineering teams at companies like Shopify, Amazon, and Stripe, BFCM is the ultimate load test, driving months of capacity planning, feature freezes, and war-room readiness.

    In plain English: The Black Friday and Cyber Monday shopping weekend that represents the biggest stress test of the year for online stores and their technology.

    Example: "We start BFCM load testing in September — last year our checkout service hit 40x normal traffic in a five-minute window."

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