TLDR Tech / Marketing
Google Discover Architecture: Clusters, Classifiers, OG Tags, NAIADES - What SDK Telemetry Reveals
Google Discover reaches hundreds of millions daily, but its ranking system is mostly hidden. Content flows through a nine-stage pipeline. Missing og:image or images under 1,200px block or limit visibility, and dismissed items remain permanently suppressed. Collection-level filters can block an entire publisher before ranking. Discover uses 13 cluster types, multiple personalization layers, and about 150 concurrent A/B experiments with 51 feature flags, so similar users can see very different feeds.
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