PHP: Performance Optimization

Introduction

• Welcome
• What you should know before watching this course
• Using the exercise files

1. Optimization Basics

• Why should you optimize your websites?
• Measure and test
• General optimization techniques and tools
• The path from your server to their browser

2. PHP and Xdebug

• Xdebug: The basics
• Xdebug: Stack traces
• Xdebug: Function traces
• Opcode cache

3. Optimization in PHP

• Upgrade PHP
• Outsource work
• Queue work for later
• Promise your PHP
• Macro vs. Micro optimization

4. Optimizate Your Database

• Find your slow and common SQL
• Explain SQL
• Indexing SQL
• Caching SQL

5. Optimize the Web

• Build your HTML smartly
• HTTP caching
• HTTP compression
• HTTP/2
• Minify all the things
• CDN all the things

6. Hardware Up and Out

• From one single server to service servers
• Scaling the rest of the way

Conclusion

• Next steps