OEM Solutions

Locked Leaderboard – 2019

How It Works

The Premium Leaderboard | Listing Liners are standard ads, pinned on the highly trafficked Search Results Page across desktop and mobile giving advertisers a great opportunity to showcase specific models and influence consideration with highly qualified shoppers.

Ad Size

Desktop/Tablet: 728x90 & Mobile: 320x50


Package Name Page Name Ad Size Ad Name Ad Serving IAB/Custom
Product Details:

Product approval required for all custom ads not built by Autotrader.

General Guidelines for 728x90 (desktop breakpoints):

All Ads should adhere to LEAN Ad Standards as defined by IAB New Ad Portfolio.

General Guidelines 728×90 (desktop breakpoints):

  • Initial load max file size: 150K
  • Subload max file size: 300K
  • User-initiated load max file size: 200K
  • Alternate image max file size: 100K
  • Text Links: 0-3 links; max 25 characters

Content & Messaging: New, Used, or Certified

Video Enabled

  • Format: MP4, and WebM
  • Host-Initiated Auto Play:
    • Max duration: 15 seconds
    • Max file size: 1.1MB
  • User-Initiated Play:
    • Recommended duration: Unlimited
    • Max file size: 10MB
  • File quality: Recommended 24 fps minimum

Note: Video must contain toggles to Play/Pause, Audio On/Off and include a progress bar. Audio is user-initiated; default state is muted. Video/animation/audio should cease once pause or stop has been clicked. All animation/audio should stop upon exit click.

Audio Enabled:

  • Available on click only
  • Audio defaults to “off”
  • Mute button required
  • 30 seconds Maximum length
  • Mp3

Animation: 3 loops within 15 seconds max, no looping beyond 15 seconds, recommended to be a part of sub-load

Other Information: Opportunities may exist to target regionally


General Guidelines for 320x50 (Mobile Breakpoints):

All Ads should adhere to LEAN Ad Standards as defined by IAB New Ad Portfolio.

General Guidelines 320×50 (Mobile Breakpoints):

  • No expansion allowed
  • No animation allowed
  • Max initial load size – 50kb
  • Subload max file size – 100k
  • Acceptable formats: GIF, JPG, PNG
  • Ad unit content must be clearly distinguishable from normal webpage content

Video enabled: no

Audio enabled: no

Animation: no

Rich Media: no


National/Tier 1, Regional/Tier 2, Certified, Major Accounts


Search Results


Ad Specs

Last updated: December 5, 2019

Asset Inclusions

Last updated: December 5, 2019

Business Rules

Last updated: December 5, 2019
  Locked Leaderboard + MMA
Funnel Lower Funnel
Supersection Used
Platform Desktop
Advertiser(s) National/Tier 1
Regional/Tier 2
Major Accounts
Search Results
Segments None
Duration 1 month
Ad Type Standard, Non-exclusive: less than 100% of available impressions
Geography National
Ad Serving Third Party
Ad Size

The following sizes apply:

  • 320x50
  • 728x90
Ad Size Upgrade Options
Lead Time 10 business days