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The best place to build, test, and discover front-end code.
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  • 5M Newsletter Subscribers
  • 16% Open Rate


A place to build, test, and deploy front-end code. CodePen is a social development environment for front-end and full-stack designers and developers.

  • Audience

    46% of users are front-end developers, 41% are full-stack and back-end developers.

  • Demographics

    36% of users work in software development and SaaS companies, while 17% work in IT services.

  • Location

    Majority of users are US-based.

  • Past Sponsors

    Slack, DigitalOcean, AWS, Netlify

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Available Channels


The Spark newsletter offers multiple email ad placements. Take your pick from a full dedicated email send or a single newsletter sponsorship placement.

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    CodePen Spark Newsletter
    Sent Mondays
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    Dedicated Spark Sponsorship
    Sent Mondays


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    CodePen Challenge
    Full month branded takeover
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    Codepen Monthly Site Sponsor
    Full month premium placement ownership