Google Slides Microsoft Office-compatible document formats such as Word and Excel. Improvements based on DocVerse were announced and deployed in April 2010. In June 2012, Google acquired Quickoffice, a "leader in office productivity solutions", with particular emphasis on Quickoffice's "seamless interoperability with popular file formats". In October 2012, Google Presentations was renamed Google Slides and a Chrome app was released, which provided shortcuts to Slides on Chrome's new tab page. Google Slides is available as a web application supported on Google Chrome, Mozilla Firefox, Internet Explorer, Microsoft Edge, and Apple Safari web browsers. Users can access presentations, as well as other files,
Firefox was created that loaded components of Firefox on startup, similar to Internet Explorer. A Windows Vista feature called SuperFetch performs a similar task of preloading Firefox if it is used often enough. Tests performed by "PC World" and Zimbra in 2006 indicated that Firefox 2 used less memory than Internet Explorer 7. Firefox 3 used less memory than Internet Explorer 7, Opera 9.50 Beta, Safari 3.1 Beta, and Firefox 2 in tests performed by Mozilla, CyberNet, and The Browser World. In mid-2009, BetaNews benchmarked Firefox 3.5 and declared that it performed "nearly ten times better on XP than Microsoft Internet