Security

A clear, practical breakdown of how caching works across AEM’s CDN, Dispatcher, and Publish tiers. Learn why caching is mandatory for performance and how invalidation rules determine site speed and stability.

A tactical deep dive into mid-level AEM caching techniques—selectors, query parameters, JSON APIs, and Dispatcher rules. Learn how to stabilize cache keys, prevent cache bloat, and avoid the misconfigurations that crush performance.

A detailed architectural guide to building globally scalable AEM caching—covering multi-CDN setups, GraphQL caching, flush strategies, surge protection, segmentation, and advanced invalidation patterns. Learn how to keep Publish stable even under massive traffic.

Learn about the AEM Dispatcher in perspective of developer, why it exists, and how it works as both a caching and security layer.

A detailed walkthrough of the dispatcher.any configuration — explaining its key sections like /cache, /filter, /renders, and /farm. Learn how to read, structure, and maintain it properly.

A detailed walkthrough of the Dispatcher `/filter` Rules

A detailed walkthrough of the Dispatcher `/cache` Rules

Understand how AEM keeps cache fresh using the .stat file mechanism. Learn when and how Dispatcher marks content as stale, what /statfileslevel does, and how asset updates trigger invalidation.

Dive deeper into advanced setup — connecting Dispatcher to multiple Publish instances, handling logged-in users securely, and implementing vanity URLs using Apache rewrites.

A practical guide to fixing common Dispatcher problems — stale pages, 403/404 errors, and caching issues. Learn how to read logs, test configurations, and debug step by step.

The most common interview and practical questions around AEM Dispatcher. Perfect for refreshing concepts or preparing for real-world discussions.