StackAdapt

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StackAdapt Medium Rectangle 300×250 ad specs

StackAdapt Medium Rectangle 300×250 ads are horizontal 6:5 still images, measured at 300×250 px, up to 0.75 MB per file, delivered as JPG, PNG, or GIF. They run in the StackAdapt programmatic display across desktop, mobile and tablet inventory placement on StackAdapt.

  • 300×250 px
  • 6:5
  • 750 KB
Test a creative

Visual

Dimensions
300 × 250 px
Aspect ratios
6:5
Max file size
750 KB
File types
JPG, PNG, GIF

Notes & source

  • JPG, PNG or GIF up to 750 KB, or an HTML5 tag
  • At least 72 PPI (144 PPI recommended)
  • Standard IAB size: StackAdapt adds its own 750 KB limit and resolution guidance

Official source · checked not yet

Frequently asked questions

What size are StackAdapt Medium Rectangle 300×250 ads?

StackAdapt Medium Rectangle 300×250 creatives are 300×250 pixels.

What is the maximum file size for StackAdapt Medium Rectangle 300×250?

Files for StackAdapt Medium Rectangle 300×250 can be up to 750 KB.

Which file formats does StackAdapt Medium Rectangle 300×250 accept?

StackAdapt Medium Rectangle 300×250 accepts JPG, PNG and GIF files.

Related formats