Since the advent of HTML5, which choice accurately describes a difference between a mobile app and a mobile Web site?

Question

Options

• AA mobile Web site is faster because it uses the mobile phone's default browser.
• BA mobile app is faster because it does not necessarily use the browser.
• CA mobile Web site cannot create an immersive experience for users.
• DA mobile app can be used on any operating system.

• A
  6% (2)
• B
  91% (29)
• D
  3% (1)

Explanation

Option B is correct because mobile apps are native applications that run directly on the device's operating system, accessing hardware APIs and executing code without routing through a browser engine - this direct execution makes them inherently faster and more responsive than browser-based experiences.

Why the distractors are wrong:

• A is false because using the default browser is actually a limitation, not a speed advantage - browser overhead adds latency compared to native execution.
• C is false because mobile websites absolutely can create immersive experiences using HTML5 features like full-screen mode, animations, and device APIs (geolocation, camera); this was a key goal of HTML5.
• D is false and is the opposite of reality - mobile apps are typically platform-specific (iOS vs. Android), while mobile websites are the cross-platform option since any device with a browser can access them.

Memory tip: Think "app = native speed, web = universal access" - a native app trades portability for performance, while a mobile website trades performance for reach.

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