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Syntax quirks
Raymond Hill edited this page Nov 11, 2023
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See also: Filter performance
- Filters match on word boundaries unless explicitly wildcarded
- Looking-like-domain filters match only in host part of URL
- Negated domains in cosmetic filters work like exception (In ABP generic blocking filter overrides filter with negated domain).
- One filter can be counted as many, example
-
$documentworks only as blocking filter - Generic cosmetic filters don't work in Shadow DOM
- Popup filters will not close pages opened by direct user action when the page'S URL matches the link clicked
- Domain filter in uBO matches fully qualified domain name (FQDN, these with dot at the end), where in ABP match is exact.
- Simple generic cosmetic filters no longer hide
<body>element after uBO v1.37.3b15
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
-
Dashboard
- Settings pane
- Filter lists pane
- My filters pane
- My rules pane
- Trusted sites pane
- Keyboard shortcuts
- The logger
- Element picker
- Element zapper
-
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