Cache Slow Shortcodes With a Wrapper Shortcode
Adds a [cached] shortcode you wrap around any slow shortcode or content, such as [cached ttl="3600"][some_feed][/cached]; its output is stored for the time you choose and served from cache after that.
Snippet Library
Performance snippets for WordPress
Snippets that make WordPress lighter and faster: remove emoji scripts and embeds, control the Heartbeat API, limit revisions and load scripts only where they are needed. For developers and site owners chasing better Core Web Vitals.
Duplicate Database Queries Report for Administrators
Add ?wpide_queries=1 to any page while logged in as an administrator to see, at the bottom of the page, the queries that ran more than once and the ten slowest queries, with the code that called them.