An activity log is the security camera of your WordPress site — it records who did what, so you can investigate issues, prove changes, and catch attacks. Here’s what to look for and how the leading options compare in 2026.

What makes a great activity log plugin

  • Comprehensive event coverage (content, users, plugins, settings, logins).
  • User, IP, timestamp, and before/after detail on every event.
  • Fast filtering and search, plus CSV export for reporting.
  • Low performance overhead (asynchronous logging).
  • Bonus: anomaly detection and built-in security.

The main options

Simple History is a free, lightweight, well-loved logger. WP Activity Log offers deep, mature event coverage with premium add-ons. Obzervi combines complete activity logging with AI analysis and IP security in one plugin, with a free tier. Each suits a different need — from “just show me a log” to “log it, explain it, and block threats.”

How to choose

If you only need a record of changes, a free logger may be enough. If you want to understand and act on what the log shows — spotting suspicious behavior and blocking bad IPs — pick a tool that adds analysis and security so you’re not stitching together three plugins.

Where Obzervi fits

Obzervi is built for teams that need answers, not just records: a complete log, AI that surfaces what matters, and IP security that acts on it — one plugin, one dashboard, one price.

See how Obzervi compares on your own site — install it free in under a minute.