Magento 2 Blackfire Profiling: Pages, CLI and Tests
Profile Magento 2 with Blackfire: probe and agent setup, profiling pages and bin/magento commands, reading call graphs and adding performance assertions.
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Articles about Performance
23 articles
Magento 2 Cache Types Explained: Clean, Flush, Custom
What each Magento 2 cache type stores, the real difference between cache:clean and cache:flush, invalidated caches, and how to add your own cache type.
Magento 2 CDN: Cloudflare vs Fastly Setup Guide
Put a CDN in front of Magento 2: Fastly as an edge full page cache, Cloudflare for static and media, real client IP, purging and settings that break things.
Magento 2 Code Review Checklist for Pull Requests
A practical Magento 2 code review checklist: DI and architecture, performance traps, security and escaping, database changes, frontend, tests and deploy impact.
Magento 2 Configurable Products Performance: What to Fix
Why configurable products slow down Magento 2 pages, admin saves and indexers, and how to fix it: variation counts, swatches, price indexing and data modeling.
Magento 2 Core Web Vitals: How to Fix LCP, INP and CLS
Where Magento 2 Luma stores lose Core Web Vitals and how to fix LCP, INP and CLS: server response, CSS, fonts, images, gallery, third party scripts.
How to Create a Custom Indexer in Magento 2 (with Mview)
Build a custom Magento 2 indexer: indexer.xml, mview.xml subscriptions, full and partial reindex, changelog tables, batching and safe table swapping.
Magento 2 Customer Data Sections: How Private Content Works
How Magento 2 customer data sections keep cached pages personal: sections.xml, section sources, customer-data.js, invalidation and the mistakes that break FPC.
Magento 2 GraphQL Caching and Performance: Practical Guide
Make Magento 2 GraphQL fast: GET queries, Varnish caching, X-Magento-Cache-Id, @cache identities for custom resolvers, N+1 batching and query complexity limits.
Magento 2 Indexers: Update on Save vs Update by Schedule
How Magento 2 indexer modes work, why production stores use Update by Schedule, how mview triggers and changelogs work, and how to keep the index cron healthy.
Magento 2 JavaScript Bundling: What Actually Makes It Faster
Built-in JS bundling, merging, minification and Magepack in Magento 2 compared, with the settings to use, how to measure the result and when bundling hurts.
Slow Magento 2 Category Pages: A Profiling Checklist
A step by step checklist to fix slow Magento 2 category pages: cache hits, profiling, N+1 product loads, layered navigation, swatches, images and the database.
Magento 2 Varnish Full Page Cache: Setup That Actually Hits
Set up Varnish for Magento 2 full page cache and raise the hit rate: generated VCL, X-Magento-Tags, purges, cacheable=false traps, private content and ESI.
Zero Downtime Magento 2 Deploys on a Single Server
A practical zero downtime deploy for Magento 2.4 on one server: build in a release folder, compile outside live, switch a symlink and roll back in seconds.
Magento 2 MySQL Tuning: Settings and Slow Queries
Tune MySQL and MariaDB for Magento 2.4.8: buffer pool sizing, redo log, temp tables, binlog and triggers, finding slow queries and keeping tables lean.
Magento 2 New Relic: Finding Slow Requests in Production
Use New Relic APM with Magento 2: agent setup, the NewRelicReporting module, deploy markers, reading traces, custom parameters and cron and consumers.
Magento 2 OpenSearch Setup and Tuning Guide for 2.4.8
How to connect Magento 2.4.8 to OpenSearch, size the JVM heap, keep the cluster green, speed up catalogsearch_fulltext reindexing and debug search problems.
Magento 2 PHP-FPM Tuning: Workers, OPcache, php.ini
Size PHP-FPM pools for Magento 2, pick the right process manager, set OPcache for a large codebase and avoid the php.ini mistakes that slow stores down.
Magento 2 Product Attributes: Best Practices for a Clean Catalog
How to design Magento 2 product attributes: input types, scope, searchable and filterable flags, attribute sets, data patches and cleanup of unused attributes.
Magento 2 Product Images Optimization: Resize, Cache and LCP
Tune Magento 2 product images: view.xml sizes, the resize command, the image cache, upload quality, CDN resizing and LCP fixes for listing and product pages.
Magento 2 Redis Setup for Cache and Sessions
Configure Redis for Magento 2 cache, page cache and sessions: env.php settings, session locking, eviction policies, preload keys and the L2 cache backend.
How to Audit Third Party Magento 2 Extensions
How to audit third party Magento 2 extensions: inventory, maintenance status, security red flags, plugins and observers that slow the store, and what to cut.
Magento 2 URL Rewrites Cleanup: Shrink the url_rewrite Table
Why the Magento 2 url_rewrite table grows to millions of rows, which settings cause it, how to measure it with SQL and how to clean it up without losing SEO.