Add-on slows page loads in Firefox
Wappalyzer makes page loads and general browsing noticeably slower in Firefox, sometimes by several seconds per page.
Tier I · Proven The best-established problems.
21 public reports · first reported 14 November 2017 · last reported 24 September 2026
What's going wrong
Many Firefox users report that this technology-detection add-on makes ordinary browsing noticeably slower.
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 21 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.