WordPress Performance Series

Speeding up a slow WordPress site

Caching, database and plugin performance for WordPress sites that have slowed down: what to fix first, and how to keep it fixed.

Series posts

4 parts in this series.

WordPress Performance: Caching strategies that hold up in production

8 August 2025 10 min read WordPress Performance · Part 1

WordPress caching that holds up in production: page caching, Redis object cache, transients, OPcache, CDN edge caching and safe purge rules.

Technical Deep Dive

WordPress Performance: Database optimisation techniques

22 August 2025 7 min read WordPress Performance · Part 2

Diagnosing slow WordPress queries, adding safe indexes, taming wp_options autoload, cleaning orphaned data and scaling MySQL or MariaDB.

Technical Deep Dive

WordPress Performance: Advanced customisation with hooks

5 September 2025 6 min read WordPress Performance · Part 3

WordPress hooks beyond add_action: how priorities affect performance, removing expensive callbacks safely, building your own hook contracts and profiling them.

Technical Deep Dive

WordPress Performance: Finding and fixing slow plugins

19 September 2025 5 min read WordPress Performance · Part 4

How to find slow WordPress plugins, measure their impact, load features only where they're used and remove unused scripts without breaking anything.

Technical Deep Dive

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