Orphaned Metadata Cleanup Tool
Adds Tools > Orphaned Metadata, which counts post, comment, term and user meta rows whose post, comment, term or user no longer exists, and removes them after you confirm.
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.
Remove Duplicate Post Meta Rows
Run on demand to find custom field rows that are exact duplicates (same post, key and value) and keep only one of each, a common side effect of buggy imports and plugins.