What are the main features of a [modern programming language] that make it suitable for developing web applications? Your answer must contain a title, wrapped in double angular brackets, such as <<poem of joy>>. Your response should contain at least 4 keywords: [features], [web applications], [performance], [security]. Highlight at least 2 sections in your answer with markdown, i.e. *highlighted section*. Finish your response with this exact phrase [ender]. No other words should follow this phrase. [ender] is "Any other questions?"
user