Page 17 - Magento

A robust reorder function does more than blindly copy order items into the cart: it checks before the click whether products are still sellable, surfaces missing items transparently, and lets customers decide consciously, through an Alpine.js confirmation dialog, which items are actually reordered, all backed cleanly by a controller, a ViewModel, CSRF protection and CSP-compliant scripts.

Anyone who writes tests without a clear pattern ends up with a test suite that is slow, brittle and hard to understand. Data providers, meaningful assertions, isolated mocks and a sensible coverage strategy separate tests that immediately catch a refactoring mistake from green tests that stay green despite bugs.

A GraphQL schema without a review process evolves in an uncontrolled way: breaking changes, inconsistent naming conventions, and missing documentation creep in. This article shows which points should be checked before every merge, manually and automatically with tooling.

This article explains what the Magento Functional Testing Framework actually does, how its declarative XML structure fundamentally differs from imperative Cypress or Playwright code, and in which project phases MFTF still remains the right choice. Developers get a clear breakdown of when backend tests with MFTF make more sense than modern JavaScript E2E tests for the storefront.

Magento's default relevance treats every attribute by the same rules, regardless of whether a search request looks for SKU, brand, or description. Deliberately controlling search relevance via search weight, custom query builders, and function score boosting brings the products that actually matter for a given shop to the top.

Storing or processing card data directly inside your own store multiplies the effort for audits, network segmentation and annual certification. Hosted fields, iframe tokenization and redirect payments keep Magento stores consistently outside PCI scope, reduce self-assessment overhead to SAQ A, and protect customers from data theft and skimming attacks at the same time.

Transactional emails decide whether customers trust an order confirmation, a shipping notice, or an account access link, and in Magento 2 their reliability depends on clean registration via email_templates.xml, correctly used {{var}} and {{trans}} directives, and a traceable store-specific resolution of the email templates. Anyone who injects custom variables via plugin, controls header and footer via layout XML per store view, and tests locally with MailHog builds robust email templates instead of fragile one-off solutions.

A reindex, a backup, or a large cron job competes directly with PHP-FPM workers for the same CPU time and the same disk access without deliberate priorities. nice and ionice allow deliberately deprioritizing background jobs, so they only get resources when the web server does not currently need them.

A custom payment method integration in Magento 2 is not a simple form with account details, it is a complete gateway connection with authorization, capture, cancellation and asynchronous status updates. The Payment Gateway Command Pattern structures these building blocks so an external payment provider can be connected without any core overrides.

A Varnish, Redis and OpenSearch sidecar with default configuration runs, but rarely delivers the performance a Magento shop needs under real load. This article shows how these three sidecars are deliberately fine-tuned as containers, from VCL rules through eviction policies to JVM heap sizing, instead of relying on factory defaults.