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Instant Performance Checker by Tamsin Dillon
Check your website’s performance instantly without leaving your tab.
Extension Metadata
Permissions and data
Required permissions:
- Access browser tabs
- Access your data for all websites
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 0.1.0.1resigned1
- Size
- 94.21 KB
- Last updated
- 9 months ago (Dec 1, 2025)
- Related Categories
- License
- Mozilla Public License 2.0
- Version History
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