Display Ads – Medium Rectangle


  • Ad Dimension: 300 x 250
  • Max File Size – Non-Rich & Rich Media Initial Load:
    • Static: 40K
    • HTML5: 200K
  • Additional Rich Media File Size & Polite Download:
    • Rich Media: 300K
    • In-Page Video: 1.2MB
  • Accepted File Types:
    • JPG, GIF, PNG
    • HTML5
    • Third-party tags from approved vendors
  • Animation:
    • Total length: 15 seconds
    • Maximum number of loops: 3
  • Animation Frame Rate: 24 FPS max
  • Audio:
    • Must be user-initiated (on click: un-mute/re-mute).
    • Default state is muted.
  • Expansion: Downward, user-initiated
  • Linking Strategy:
    • Clicks may direct consumer to the client’s website.
    • Clicks must spawn new tab or browser window.
    • Clear and prominent calls to action are recommended.
  • CPU Usage: Max percentage: 20%
  • Serving and Tracking:
    • Third-party tags from approved vendors are supported.
    • If Cars Commerce first-party serves the creative, 1×1 impression and click (redirect or appended) tags are accepted.
    • Up to two additional tracking pixels from approved vendors can be added.
    • Creative assets must not write cookies to the user’s computer (including local shared objects, e.g., Flash cookies).
    • By delivering creative to Cars Commerce, the client represents and warrants no cookies will be written by such creative assets.
  • SSL Compliance:
    • All assets/creative elements comprising an ad — tags, images, tracking pixels, etc. — must be SSL- (Secure Sockets Layer) compliant, make secure calls, and use secure URLs (https, protocol-relative URLs).
    • If a non-secure creative is served on the site, it can prompt a warning in the user’s browser, cause ad-serving problems, or block the entire page.
  • Submission Lead-Time: Minimum five business days prior to campaign launch

Date Modified: September 30, 2024

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