Six Cost-Amplification Patterns Hiding in Your Firestore App
June 9, 2026
Two apps with the same users can differ 50x in Firestore spend. The difference is a short list of read and write amplification patterns — here they are, with fixes.
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Firestore Query and Index Gotchas, Cataloged
May 12, 2026
Inequality-filter limits, composite indexes that vanish in new environments, array and map index fan-out, hot-document contention, and cursor pagination done right.
Read moreTesting Firestore Security Rules Before They Burn You
April 14, 2026
Security rules are the highest-consequence, least-tested code in most Firebase apps. A practical emulator test harness — and the denial tests that matter more than the grants.
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