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Mobile-Optimized Web Presence Flashcards

7 cards from real Mobile Marketing practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Mobile-Optimized Web Presence flashcards as text

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

    Answer: Viewport meta tag

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

  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?

    Answer: 123% more likely

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

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

    Answer: Ensuring tap targets are large enough to be easily tapped

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

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

    Answer: WebP

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

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

    Answer: Users may not discover off-screen navigation options

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

  6. What is 'lazy loading' in the context of mobile web performance?

    Answer: Loading images or resources only when they are about to enter the viewport

    Lazy loading defers loading of off-screen images and resources until the user scrolls near them, reducing initial page load time.

  7. Which Google tool provides a free, quick assessment of a URL's mobile-friendliness and Core Web Vitals?

    Answer: PageSpeed Insights

    PageSpeed Insights analyzes a URL's content and provides suggestions to make the page faster and more mobile-friendly, including Core Web Vitals data.