Mobile Marketing Mobile-Optimized Web Presence 2

Question 1

Which HTTP header tells a mobile browser how to scale a webpage to fit the device screen?

Accepted Answer

Viewport meta tag

Answer

The viewport meta tag (<meta name='viewport'>) instructs the browser on how to control the page's dimensions and scaling on mobile devices.

Question 2

A mobile site takes 9 seconds to load on a 4G connection. According to Google research, what is the approximate probability that a user will bounce compared to a 1-second load?

Accepted Answer

123% more likely

Answer

Google research found that as page load time goes from 1s to 9s, the probability of bounce increases by 123%.

Question 3

What does 'finger-friendly design' primarily refer to in mobile UX?

Accepted Answer

Ensuring tap targets are large enough to be easily tapped

Answer

Finger-friendly design means sizing interactive elements (buttons, links) to at least 44x44 pixels so they are easily tappable without mis-taps.

Question 4

Which image format is generally recommended for mobile web to achieve the best balance of quality and small file size?

Accepted Answer

WebP

Answer

WebP provides superior lossy and lossless compression compared to JPEG and PNG, resulting in smaller file sizes with comparable visual quality.

Question 5

A retailer's mobile site uses a horizontal scrolling navigation menu. What is the primary usability risk?

Accepted Answer

Users may not discover off-screen navigation options

Answer

Hidden horizontal scroll areas are often not discoverable, causing users to miss important navigation links that are off-screen.

Mobile Marketing Practice Test

Mobile Marketing Practice Test

Mobile Marketing Mobile-Optimized Web Presence 2