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Website Development & User Experience Flashcards

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

Read the first 7 Website Development & User Experience flashcards as text

  1. What is the purpose of implementing a Content Delivery Network (CDN) for an ecommerce website?

    Answer: Serve static assets from servers geographically close to users to reduce latency

    A CDN caches static files (images, CSS, JS) at edge nodes worldwide so users download assets from the nearest location, reducing load time.

  2. Which UX pattern helps users understand where they are within a deep product category hierarchy on an ecommerce site?

    Answer: Breadcrumb navigation

    Breadcrumbs display the user's current location path (e.g., Home > Electronics > Laptops > Gaming), aiding navigation and reducing disorientation.

  3. An ecommerce site experiences high bounce rates on its homepage. Which metric would best help diagnose whether slow load time is the primary cause?

    Answer: Time to Interactive (TTI) and Largest Contentful Paint (LCP)

    TTI and LCP directly measure perceived and actual load performance, helping diagnose whether speed is driving users to leave before engaging.

  4. What is progressive disclosure in ecommerce UX design?

    Answer: Revealing additional information or options only when the user needs them

    Progressive disclosure reduces cognitive load by hiding advanced options or secondary information until users explicitly request them.

  5. Which ecommerce personalization technique uses collaborative filtering to recommend products?

    Answer: 'Customers who bought this also bought' recommendations based on purchase patterns

    Collaborative filtering identifies patterns across many users' purchase histories to recommend items that similar customers also bought.

  6. What is the main advantage of using a single-page application (SPA) architecture for an ecommerce storefront?

    Answer: Faster page transitions after initial load due to client-side routing

    SPAs load once and then swap content client-side, making subsequent navigation feel instant, though initial load and SEO require extra attention.

  7. A product page has a Cumulative Layout Shift (CLS) score of 0.35. What is the most common cause of high CLS on ecommerce product pages?

    Answer: Images without defined width and height attributes causing layout reflow when they load

    When images lack explicit dimensions, browsers cannot reserve space, causing elements to shift as images load; Google considers CLS above 0.25 poor.