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Front End System Design Guidebook

Poll Widget

Recommended duration to spend during interviews
30 mins
Users completed


Design a poll widget that can be easily embedded on websites, such as articles and blogs to allow website viewers to vote on options.

Poll Widget Example


  • The widget displays the following information:
    • A list of options for users to vote on.
    • The latest number of votes for each option. This is only shown after the user has submitted a vote.
  • The following back end APIs are provided:
    • Fetching of the poll results.
    • Record a new vote on an existing poll option.
    • Remove a vote from an existing poll option.
  • It should not require much effort for a website owner to embed a poll widget within their websites.

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