Safari (web browser) none. While no official word has been released by Apple, the indication is that these are the final versions available for these operating systems, and both retain significant security issues. While Safari pioneered several now standard HTML5 features (such as the Canvas API) in its early years, it has increasingly come under attack for failing to keep pace with modern web standards. In the past, Apple did not allow third party web browsers under iOS, but now there are plenty of web browsers available for iOS, including Chrome, Firefox, Opera and Edge. However, due to Apple developer's policies, browsers like
Firefox Explorer 7". In January 2010, Lifehacker compared the performance of Firefox 3.5, Firefox 3.6, Google Chrome 4 (stable and Dev versions), Safari 4, and Opera (10.1 stable and 10.5 pre-alpha versions). Lifehacker timed how long browsers took to start and reach a page (both right after boot-up and after running at least once already), timed how long browsers took to load nine tabs at once, tested JavaScript speeds using Mozilla's Dromaeo online suite (which implements Apple's SunSpider and Google's V8 tests) and measured memory usage using Windows 7's process manager. They concluded that Firefox 3.5 and 3.6 were the fifth-