Some websites have the ability to store information, such as files, in your local storage, and these files can only be removed manually by you. This helps the website run faster and prevents information from being lost if you lose your connection. This feature is enabled by [https://developer.mozilla.org/docs/Web/API/Web_Storage_API storage API]. When a website has storage API, Firefox will first ask you for permission to let a website add files to your local storage. When the prompt appears in your address bar, choose “Allow” or “Don’t Allow”. ;[[Image:notification storage api]] =What if my storage is full?= You’ll see a prompt at the top of the page letting you know that your storage is full. Click the “Preferences” button to manage your storage. Freeing up space on your disk by deleting files can also free up storage for Firefox. ;[[Image:notification bar storage api]] =I want to modify or turn off this setting= You can turn off this setting at any time by following these instructions: #Click the menu button [[Image:new fx menu]] at the top right corner. #Click {for win}{menu Options}{/for}{for mac}{menu Preferences}{/for} #Click {menu Advanced} on the left panel. #In the ''Network'' Tab under ''Site Data'', click {button Settings} to change your site storage API settings. You can also clear all the saved data by clicking "Clear all Data.”

Some websites have the ability to store information, such as files, in your local storage, and these files can only be removed manually by you. This helps the website run faster and prevents information from being lost if you lose your connection. This feature is enabled by storage API.

When a website has storage API, Firefox will first ask you for permission to let a website add files to your local storage.

When the prompt appears in your address bar, choose “Allow” or “Don’t Allow”.

What if my storage is full?

You’ll see a prompt at the top of the page letting you know that your storage is full. Click the “Preferences” button to manage your storage. Freeing up space on your disk by deleting files can also free up storage for Firefox.

I want to modify or turn off this setting

You can turn off this setting at any time by following these instructions:

1. Click the menu button The image "new fx menu" does not exist. at the top right corner.
2. Click OptionsPreferences
3. Click Advanced on the left panel.
4. In the Network Tab under Site Data, click Settings to change your site storage API settings. You can also clear all the saved data by clicking "Clear all Data.”