Memory Leak Analyzer by Sam Milstead
Continuously monitors per-tab memory indicators, detects leaks via anomaly detection, and provides root-cause attribution.
Extension Metadata
About this extension
Features
- 6 metric collectors — DOM nodes, event listeners, timers, detached DOM, resource entries, XHR/fetch lifecycle
- Anomaly detection — sliding-window linear regression with R-squared filtering and composite scoring
- Native messaging host — OS-level Firefox process memory via psutil
- Sidebar dashboard — live charts (uPlot), per-tab drill-down, alert feed
- Quick-glance popup — current tab metrics at a glance
- JSON export — full bug report with time-series data
- Test pages — purpose-built pages for each leak type
Rated 0 by 0 reviewers
Permissions and data
Required permissions:
- Exchange messages with programs other than Firefox
- Display notifications to you
- Access browser tabs
- Access browser activity during navigation
- Access your data for all websites
Required data collection, according to the developer:
- Browsing activity
- Website activity
Optional data collection, according to the developer:
- Technical and interaction data
More information
- Add-on Links
- Version
- 1.0.0
- Size
- 85 KB
- Last updated
- a month ago (Mar 10, 2026)
- Related Categories
- License
- Mozilla Public License 2.0
- Version History
- Add to collection
The developer of this extension asks that you help support its continued development by making a small contribution.