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1080×566
shown at 20%
Feed Image - Landscape (1.91:1)
Landscape
- Size (px)
- Ratio
- 1.91:1
Sharethrough — Native Display - Main Image (Recommended)
Landscape · Native · Verified 2026-07
Live preview
1200×627
shown at 38%
In context
Sample feed post
Full specification
Size (px)
Ratio1.91:1
Max weightUnder 1 MB (optimal ~750 KB); Yahoo DSP allows up to 2 MB
FormatsJPG, PNG, GIF
Text limits
Headline
90 chars
Description
140 chars
Headline
55 chars
Description
120 chars
Title
25 chars
Description
90 chars
Advertiser name
25 chars
Title
50 chars
Description
200 chars
Advertiser name
25 chars
Notes & best practice
Primary hero image for the Sharethrough (STX) native unit on desktop and mobile.
Recommended size is 1200x627 (StackAdapt uses 1200x628).
Minimum dimensions vary by DSP.
The Trade Desk requires at least 320x180 for mobile and 600x315 for desktop, and accepts up to 2000x2000.
StackAdapt accepts 1200x628 or 600x600.
Use high resolution (300 ppi and above).
Do not overlay text on the image.
Character limits vary by DSP.
Frequently asked questions
What size is the Sharethrough Native Display - Main Image (Recommended)?
The Sharethrough Native Display - Main Image (Recommended) is 1200×627 px, aspect ratio 1.91:1.
What is the aspect ratio of the Sharethrough Native Display - Main Image (Recommended)?
1.91:1. At the recommended resolution that is 1200×627 px.
What is the maximum file size for the Sharethrough Native Display - Main Image (Recommended)?
Up to Under 1 MB (optimal ~750 KB); Yahoo DSP allows up to 2 MB, in JPG, PNG, GIF.
What file formats does Sharethrough accept for the Native Display - Main Image (Recommended)?
JPG, PNG, GIF.
Why does Sharethrough crop my Native Display - Main Image (Recommended)?
Sharethrough shows Native Display - Main Image (Recommended) at 1.91:1. Upload exactly 1200×627 px and keep key content in the safe area so nothing gets cut off.
Is 1200×627 still correct for the Sharethrough Native Display - Main Image (Recommended) in 2026?
Yes. Last verified 2026-07 against the official Sharethrough documentation.
Check your creative
Test a file against this exact spec before you upload it anywhere.
Nothing is uploaded or saved — the check runs entirely in your browser.