Adobe Flash Player
Steve Jobs also claimed that a large percentage of the video on the Internet is supported on iOS, since many popular video sharing websites such as YouTube have published video content in an HTML5 compatible format, enabling videos to playback in mobile web browsers even without Flash Player.
HTML5
According to a report released on 30 September 2011, 34 of the world's top 100 Web sites were using HTML 5the adoption led by search engines and social networks. Another report released in August 2013 has shown that 153 of the "Fortune 500" U.S. companies implemented HTML5 on their corporate websites.