Stop websites from hijacking Firefox quick search key "/", and Escape key
< Отзив за Disable single key keyboard shortcuts
Because it's main purpose is to disable single-key "/" quick search Firefox shortcut.
In Firefox you can completely disable shortcuts override per page by right clicking on page, selecting "View Page Info", then "Permissions" tab and here toggle "Override Keyboard Shortcuts" option.
I fixed description.
VK
Does not disable keyboard shortcuts with ctrl on thе https://vk.com site.