Criteo HTML5 Banner 300x600 (Half Page) Ad Size
300×600px · 1:2
The recommended size for Criteo HTML5 Banner 300x600 (Half Page) ads is 300×600px (ratio 1:2). Accepted file format: HTML, CSS, JS, GIF, PNG, JPG, JPEG, with a maximum file size of 150KB.
Placement spec
| Recommended size | 300×600px |
|---|---|
| Aspect ratio | 1:2 |
| File format | HTML, CSS, JS, GIF, PNG, JPG, JPEG |
| Max file size | 150KB |
Design rules
- No audio/video; lowercase filenames only; animation max 30 seconds
Frequently asked questions
What is the correct size for Criteo HTML5 Banner 300x600 (Half Page) ads?
The recommended size is 300×600px with a 1:2 aspect ratio.
What are the file format and size limits?
Accepted file format: HTML, CSS, JS, GIF, PNG, JPG, JPEG, with a maximum file size of 150KB.
Can I convert an existing banner to this size automatically?
Upload your original banner to ImageFactory banner resize and it is automatically converted to 300×600px and 1,400+ other placement sizes. For placements with a safe zone, AI keeps key elements inside the safe area.