Using EXPLAIN in MySQL to Fix Slow Queries (Practical Guide for Developers)
Learn how to use EXPLAIN in MySQL to find and fix slow queries. Practical examples, common mistakes, and real optimization tips for developers.
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Performance Optimization
Why High CPU Usage Happens in PHP Applications (And How to Fix It)
Published February 8, 2026 • 8 min read
High CPU usage in PHP applications is often caused by inefficient database queries, heavy loops, cron jobs, or missing caching strategies. This guide walks through real production scenarios and shows how to identify and resolve performance bottlenecks.
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Practical tutorials on PHP, MySQL optimization, Laravel development, and real-world performance troubleshooting.
Common MySQL Schema Design Mistakes Developers Keep Repeating
Learn common MySQL schema design mistakes developers repeat in real projects. Practical examples, performance impact, and better design tips.
Common MySQL JOIN Performance Mistakes (And How to Fix Them)
Improve MySQL query speed by fixing common JOIN mistakes. Learn about indexing strategy, EXPLAIN analysis, and query optimization techniques.
Shared Hosting vs VPS – PHP Performance Comparison
Compare shared hosting and VPS performance for PHP applications. Learn how CPU limits, memory restrictions, and server resources impact speed.
How Improper Data Types Affect MySQL Performance
Many MySQL performance problems start at the schema level. Learn how wrong data types increase CPU usage, index size, and slow queries using real production examples.
Why High CPU Usage Happens in PHP Applications (Real Causes & Fixes)
Identify the real causes of high CPU usage in PHP applications. Learn how to debug slow queries, loops, cron jobs, and optimize server performance.