The Loneliest Pattern: A Deep Dive into the Singleton

In the world of software engineering, there are times when “the more, the merrier” is exactly the wrong philosophy. Sometimes,…
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Sling Content Distribution (SCD): a practical guide for cloud & on‑prem

Apache Sling Content Distribution (SCD) lets you move content (Sling resources) across Sling/AEM instances using a path‑level API and configurable…
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Caching Strategies for Dispatcher & CDN in Dynamic AEM Environments

How to ensure fast, reliable, selective cache updates when Content Fragments (CF) and Experience Fragments (XF) change Modern AEM implementations…
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AEM Replication & Dispatcher Flush: Agents & Sling Content Distribution

Replication Agents: what they do & where they live Replication agents in AEM are the mechanism to: They are configured…
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Cluster-aware event handling in AEM: using TopologyEventListener and topology-aware jobs

Why “cluster‑aware” matters in AEM (especially Cloud Service) On AEM as a Cloud Service, code always runs in a cluster,…
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AEM Component Placement Strategies: Overlay, Override, and Resource Merge

Adobe Experience Manager (AEM) gives you three core patterns to place and customize components safely and upgrade‑friendly: Overlay, Override, and…
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Run Modes in AEM: Configuration and Best Practices

Adobe Experience Manager (AEM) uses Run Modes to define environment-specific behavior. They allow you to load configurations, enable bundles, and…
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Understanding Templates in AEM: Static vs Editable

Templates in Adobe Experience Manager (AEM) control the structure, policies, and component availability for pages. Broadly, AEM supports two kinds…
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AEM Event Handling at a Glance

This guide consolidates AEM event-handling approaches with what each mechanism does, when to use them, how to implement, and copy-paste…
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AEM: Sightly Dialog Validation

In Adobe Experience Manager (AEM), a Sightly dialog (based on the cq:dialog node) can include various structural nodes such as…
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