A retailer notices lower engagement rates with their A/B tests and wants to improve. They suspect users are exiting the tests early due to page flickering. What should they do to fix this?

Question

Options

• AEnable pre-hiding for the page.
• BUse a server-side delivery model.
• COptimize mbox names.
• DIncrease test duration.

• A
  74% (31)
• B
  14% (6)
• C
  7% (3)
• D
  5% (2)

Explanation

Pre-hiding (also called the "anti-flicker snippet") solves flickering by concealing the page until the correct test variant is fully loaded before revealing it to the user - directly addressing the cause of early exits. Option B (server-side delivery) would also technically eliminate flicker, but it requires a full architectural change and is not the targeted, lightweight fix the scenario calls for; pre-hiding is the purpose-built client-side solution. Option C (optimize mbox names) addresses test organization and targeting logic, not rendering speed or visual stability. Option D (increase test duration) is a remedy for low statistical power, not for users abandoning the page due to a bad visual experience.

Memory tip: Think "hide first, then show" - pre-hiding hides the page body until the variant is ready, so users never see the flicker.

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