Dec 3, 2025

Display Ads (Auction): Overlay ads will be available on the Yahoo! JAPAN Top Page

Product
Yahoo! JAPAN Ads Display Ads (Auction)

Summary
We will start delivering overlay ads on the Yahoo! JAPAN Top Page (smartphones (web) and PC) for Display Ads (Auction). You will be able to expand delivery opportunities and increase impressions. See the following details.

Yahoo! JAPAN Top Page for Smartphones (web)

Schedule

After December 17, 2025

Sample


Available ad types and formats
  • Banner (image)
    • Aspect ratio: 16:5
    • Aspect ratio: 32:5
  • Responsive (image)
    • Aspect ratio: 1:1
    • Aspect ratio: 1.91:1
  • Dynamic display
  • Text
Yahoo! JAPAN Top Page for PC

Summary
After January 2026
* We will announce the specific schedule once it is determined.

Sample


Available ad formats
  • Banner (image)
    • Aspect ratio: 728:90
  • Responsive (image)
    • Aspect ratio: 1:1
    • Aspect ratio: 1.91:1
  • Dynamic display
  • Text

Notes

  • You can’t apply delivery or exclusion settings for overlay ads using placement targeting. As a result, you can’t specify separation from timeline ads or exclude only overlay ads.
  • The delivery start date may change.