Blog Topic Clusters | Magento Mastery

Core Magento 2 Architecture

Understand Magento 2's extension system — plugins, DI compilation, and the event-driven architecture that powers every custom module.

Pillar

Magento 2 Plugins: Before, After & Around

Master the 3 interceptor types: when to use each, sort order, and real-world patterns.

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setup:upgrade vs setup:di:compile

Know exactly when to run each command and why during your deployment workflow.

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Magento 2 Observers & Events

Hook into Magento's event system to react to orders, customers, and admin actions without editing core.

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Performance & Optimization

Speed drives e-commerce conversions. Learn Magento-specific caching, indexing, and frontend performance strategies that deliver measurable improvements.

Pillar

Magento 2 Caching Strategies

Full-page cache, Varnish, Redis, and cache tagging — a complete caching architecture guide for Magento 2.

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Magento 2 Indexers Explained

How indexers work, mview changelog, and production troubleshooting for stuck or invalid indexers.

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Core Web Vitals in Magento

Optimise LCP, INP, and CLS specifically for Magento 2 stores — from server tuning to frontend asset optimisation.

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Customization & API

Extend Magento 2 with custom checkout flows, payment integrations, and headless APIs — covering both frontend Knockout.js and API-layer development.

Pillar

Magento 2 Checkout Customization

Full checkout customisation: layout XML, Knockout.js components, shipping, payment, and third-party module integration.

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Magento 2 GraphQL API Guide

Queries, mutations, custom resolvers, authentication, and headless PWA patterns for Magento 2.

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REST API Best Practices

Clean REST endpoints, proper error handling, bulk operations, and integration patterns for Magento 2.

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Not sure where to start?

If you're new to Magento 2, begin with Hub 1 — understanding plugins and DI is the prerequisite for everything else. Store owners and merchants may prefer Hub 2 first for quick performance wins. Building a custom feature? Head straight to Hub 3.