Transients vs Object Cache
Transients are short-lived cached values with optional expiry. By default they live in the options table. With a persistent object cache (Redis, Memcached) they live in memory.For …
Read article →Action Scheduler vs WP-Cron
WP-Cron runs on page loads. On low-traffic sites jobs may not run at all; on high-traffic sites a single request can run many jobs and…
Read article →Why WP-Cron Is Not a Real Cron
WP-Cron is not a system cron — it is a check that runs on incoming requests. If no one visits the site, scheduled jobs do…
Read article →CPT Registration: The Modern Checklist
Set show_in_rest to true unless you have a specific reason not to — without it, the Gutenberg editor falls back to the classic interface.Set supports…
Read article →Meta Query Performance Gotchas
meta_query joins the postmeta table once per meta clause. Three meta clauses means three joins on a typically un-indexed table.Add a database index on (meta_key,…
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