HTML5 Local Storage
Definition - What does HTML5 Local Storage mean?
Local storage is mainly used to store and retrieve data in HTML pages from the same domain. Even after restarting a browser, the data can be recovered from all windows in the same domain. This type of storage offers numerous options for Web apps.
Browsers, such as Firefox 3.5+, Internet Explorer 8.0+, Chrome 4.0+, Safari 4.0+, Mobile Safari (iPhone/iPad), Opera 10.5+ and Android 2.0+ support HTML5 local storage.
Techopedia explains HTML5 Local Storage