URL Monitor by jeremy.zh
Monitor URL requests, query DNS, and block domains
1 User1 User
Extension Metadata
About this extension
Monitor all URL requests on a webpage, query DNS records, and block specific domains. Useful for web developers and
debugging.
Features:
- Real-time URL monitoring grouped by domain
- DNS lookup for individual or all domains
- Domain blocking that actually prevents resource loading
- Multi-language support (EN, Simplified Chinese, Traditional Chinese)
Privacy Policy:
This extension does not collect any user data. All data stays locally on your device.
Version: 1.0
Firefox Version: 48.0+
Data Collection: None - This extension does not collect, store, or transmit any user data.
debugging.
Features:
- Real-time URL monitoring grouped by domain
- DNS lookup for individual or all domains
- Domain blocking that actually prevents resource loading
- Multi-language support (EN, Simplified Chinese, Traditional Chinese)
Privacy Policy:
This extension does not collect any user data. All data stays locally on your device.
Version: 1.0
Firefox Version: 48.0+
Data Collection: None - This extension does not collect, store, or transmit any user data.
Rated 0 by 0 reviewers
Permissions and data
Required permissions:
- Access browser tabs
- Access browser activity during navigation
- Access your data for all websites
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 1.0
- Size
- 19.16 KB
- Last updated
- 2 months ago (Apr 13, 2026)
- Related Categories
- License
- Mozilla Public License 2.0
- Version History
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