
Disable Page Visibility API by Frank Dreßler
This add-on disables the Page Visibility API.
You'll need Firefox to use this extension
Extension Metadata
About this extension
The Page Visibility API is used by webpages to detect if they are visible.
Some websites, among them Twitch, use this information to pause video playback in background tabs. This add-on disables the API for all pages.
Pausing playback of a video or other processing in a background tab is useful to save energy. So only enable this add-on if you can afford it.
There are other ways to detect if a webpage is visible, e.g. onblur/onfocus. This add-on does not disable any of those other ways. So do not assume that this add-on will enhance your privacy.
Some websites, among them Twitch, use this information to pause video playback in background tabs. This add-on disables the API for all pages.
Pausing playback of a video or other processing in a background tab is useful to save energy. So only enable this add-on if you can afford it.
There are other ways to detect if a webpage is visible, e.g. onblur/onfocus. This add-on does not disable any of those other ways. So do not assume that this add-on will enhance your privacy.
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This add-on needs to:
- Access your data for all websites
More information
- Version
- 1.1
- Size
- 4.78 KB
- Last updated
- 5 years ago (Dec 19, 2017)
- Related Categories
- License
- The BSD License
- Version History
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Release notes for 1.1
* Force 'document.visibilityState' to return "visible". Before only 'document.hidden' was overridden by the add-on.
* The attributes 'configurable' and 'enumerable' of the overridden properties 'document.hidden' and 'document.visibilityState' are now 'true' to reflect their untampered state.
* The attributes 'configurable' and 'enumerable' of the overridden properties 'document.hidden' and 'document.visibilityState' are now 'true' to reflect their untampered state.
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