Blocker slows browser and leaks memory
Add-on makes the browser slow and uses huge memory, up to 6 GB, forcing users to restart Firefox.
Tier II · Emerging Problems that are still building up.
3 public reports · first reported 20 May 2024 · last reported 7 January 2026
What's going wrong
Some Firefox users report that this ad blocker slows the whole browser, not just the sites it touches.
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.