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Layout Containers and Responsive Grids
Understand how AEM Layout Containers and Responsive Grids control page composition. Learn the responsibilities of template authors, developers, and content authors when building responsive pages in the AEM Page Editor.
AEM Style System Reuse Components Without Duplicating Them
Learn how the AEM Style System connects Client Library CSS, component policies, and author-selected styles. Use it to provide controlled visual variations in the AEM Page Editor without duplicating component implementations.
What Really Happens When a User Opens an AEM Page?
Understanding the AEM request flow from browser to Dispatcher to Publish. Learn how caching works, why content updates don't appear immediately, and how to troubleshoot production issues like an architect.
Understanding Resources, ResourceResolver, and ValueMap in AEM
Learn the foundation of Sling and AEM rendering. Understand how Resources abstract content, how ResourceResolver locates them, and how ValueMap provides access to properties. Discover why Resource Resolution is critical for troubleshooting production issues.
Understanding Resource Types, Resource Super Types, and Component Resolution in AEM
Learn how Sling identifies and resolves components. Understand sling:resourceType, sling:resourceSuperType, component resolution, and script resolution. Discover why Core Component proxies reduce maintenance and improve project sustainability.
Understanding Selectors, Extensions, Suffixes, and Request Path Decomposition in AEM
Master URL decomposition in Sling. Learn how selectors, extensions, and suffixes control script resolution and behavior. Understand headless AEM, Dispatcher caching with selectors, and how to troubleshoot complex URL-based issues in production.
Understanding Sling Models in AEM
Learn how Sling Models bridge content and presentation. Understand adaptation, dependency injection, model lifecycle, and why they're essential for maintainable AEM components. Discover how Sling Models enable both traditional and headless AEM.
Understanding HTL (Sightly) in AEM
Master HTL, AEM's template language. Learn expressions, conditional rendering, lists, component composition, context-aware escaping, and WCM mode. Understand how HTL bridges Sling Models and HTML output. Troubleshoot common rendering issues.
RESTful API Design & Versioning Strategies
Why a "quick" field rename in your API broke three mobile clients, and how resource modeling, pagination, versioning, and rate limiting prevent that from happening again.
Real-World AEM Scenario — Cleaning Up Unwanted DAM and Experience Fragment Nodes
A production AEM cleanup scenario where a servlet was used to identify and remove unwanted nodes from DAM and Experience Fragment paths.