Performance and scaling WordPress

Performance problems usually surface as instability before they look like slowness.

Performance tuning

• Performance tuning for WordPress on Ubuntu + Apache + PHP-FPM
• PHP memory limits and WordPress stability
• Tuning OPcache for WordPress performance on PHP-FPM

Caching strategy

• Memcached vs Redis for WordPress object caching
• Setting up Redis object cache for WordPress
• WordPress caching plugin configuration basics
• Managing and cleaning WordPress transients
• Cloudflare + WordPress origin basics

Scaling beyond one box

• Running WordPress in Docker on Ubuntu (pros, cons, setup)

If you’re firefighting load issues or planning growth, start here.