Prevents websites from knowing that you switched tabs or unfocused the window
Userscript to trick websites into thinking the tab is always on focus
Download the Tampermonkey browser extension
Click here to install the userscript
Toggle the userscript on/off from the Tampermonkey dashboard
Always on focus is a lightweight userscript that prevents websites from knowing that you switched tabs or unfocused the window. This is a fork of this userscript that adds these:
Disables the Page Visibility API
Disables the window.onblur() event and and sets window.hasFocus() and window.onFocus() to always true (Ex.)
Removes the visibilitychange and blur event listeners (Ex.)
Here is an example website that changes color when the window isn't focused:
