Heavy memory use slows Firefox down
The add-on uses so much memory that Firefox slows down and swaps heavily, and it worsens as more tabs are stashed.
Tier II · Emerging Problems that are still building up.
3 public reports · first reported 3 August 2024 · last reported 18 March 2025
What's going wrong
Several users report that the add-on drives memory use high enough to slow Firefox and cause heavy swapping.
AI-assisted: written with the help of AI from the reports. The idea report has the full summary.
In the idea report
- The full summary.
- The products the 3 reports are about, and how many came each month.
- Related problems.
No business has been found with this problem yet, so the report has no contacts. All sales are final — no refunds. Pricing.