Published 1 Nov 2026Modified 1 Nov 2026

HTML5
Display

GumGum In-Screen Corner Display ad specs

GumGum In-Screen Corner Display ads are horizontal 6:5 HTML5 creatives, measured at 300×250 px. They run in the GumGum In-Screen on publisher websites, desktop placement on GumGum.

300×250 px
6:5

Test a creative

Visual

Dimensions: 300 × 250 px
Aspect ratios: 6:5

Notes & source

Fixed in the top-right corner of the browser window
HTML5
Max initial load 1 MB
Backup image 300×250
Standard IAB size (300×250)
Only the fixed corner position and load limit are GumGum’s own

Official source (opens in a new tab) · checked not yet

Frequently asked questions

What size are GumGum In-Screen Corner Display ads?

GumGum In-Screen Corner Display creatives are 300×250 pixels.