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Keyboard shortcuts
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Enter element picker mode
Will activate Element picker that will allow creating new filters
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Enter element zapper mode
Will activate Element zapper that will allow to temporarily remove elements from the page
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Open the logger
Will activate The logger where you can preview network connection and applied filters
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Open the dashboard
Will open The dashboard where you can configure uBO settings
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Relax blocking mode
Advanced feature, will decrease blocking mode one step at a time.
Default sequence:
- Hard mode + No scripting
- Medium mode + No scripting
- Medium mode
- Default.
Can be configured in Advanced settings#blockingprofiles
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Toggle cosmetic filtering
New in 1.41.7b1.
Will toggle "cosmetic filtering" (element hiding filters) on/off for current website.
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Toggle JavaScript
New in 1.55.1b5.
Will toggle "scripts" on/off for current website.
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Activate toolbar button
New in 1.24.0.
Will open uBlock Origin (uBO) popup panel - equivalent of clicking the button on the toolbar
- Main menu (three bars) in top right corner
- Add-ons
- "Tools for all add-ons" menu in top right corner of the page (gear wheel)
- Manage Extension Shortcuts
- Main menu (three dots) in top right corner
- More tools
- Extensions
- Extensions menu in top left corner (three bars)
- Keyboard shortcuts
uBlock Origin - An efficient blocker for Chromium and Firefox. Fast and lean.
- Wiki home
- About the Wiki documentation
- Permissions
- Privacy policy
- Info:
- The toolbar icon
- The popup user interface
- The context menu
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Dashboard
- Settings pane
- Filter lists pane
- My filters pane
- My rules pane
- Trusted sites pane
- Keyboard shortcuts
- The logger
- Element picker
- Element zapper
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Blocking mode
- Very easy mode
- Easy mode (default)
- Medium mode (optimal for advanced users)
- Hard mode
- Nightmare mode
- Strict blocking
- Few words about re-design of uBO's user interface
- Reference answers to various topics seen in the wild
- Overview of uBlock's network filtering engine
- uBlock's blocking and protection effectiveness:
- uBlock's resource usage and efficiency:
- Memory footprint: what happens inside uBlock after installation
- uBlock vs. ABP: efficiency compared
- Counterpoint: Who cares about efficiency, I have 8 GB RAM and|or a quad core CPU
- Debunking "uBlock Origin is less efficient than Adguard" claims
- Myth: uBlock consumes over 80MB
- Myth: uBlock is just slightly less resource intensive than Adblock Plus
- Myth: uBlock consumes several or several dozen GB of RAM
- Various videos showing side by side comparison of the load speed of complex sites
- Own memory usage: benchmarks over time
- Contributed memory usage: benchmarks over time
- Can uBO crash a browser?
- Tools, tests
- Deploying uBlock Origin
- Proposal for integration/unit testing
- uBlock Origin Core (Node.js):
- Troubleshooting:
- Good external guides:
- Scientific papers