Portal.
The Portal is a high-impact format that creates an immersive visual effect as users scroll. Its layered design moves background and foreground elements together for a smooth, eye-catching moment that doesn’t interrupt the reading experience. The Portal runs seamlessly across desktop, mobile, and tablet from a single tag, ensuring your creative looks great on every device.
Why use it?
Perfect for launching a new product, extending video reach, and/or creating hype around an event or special offer. The Portal can incorporate many different interactive features including; form fill, carousel, video, dynamic content and more.

Devices
Desktop
Mobile web
Websites
The New Zealand Herald
Targeting
Served to subscribers & non-subscribers
Audience targeting or exclusions available on request
Buy type
Cost per thousand (CPM)
Available via direct and programmatic channels
Functionalities and capabilities.
Can be built to include animation, video and/or interactive features.
Minimum $10k spend otherwise creative production costs may apply.
Ad specifications.
Both foreground and background creative assets MUST be supplied.
Desktop
Foreground
| Dimensions | 970 × 600px |
| File formats | PSD, transparent PNG |
| Max file size | 500KB (combined with background) |
Background
| Dimensions | 1440 × 900px |
| File formats | PSD, JPG |
| Max file size | 500KB (combined with foreground) |
Tablet
Foreground
| Dimensions | 768 × 300px |
| File formats | PSD, transparent PNG |
| Max file size | 40KB |
Background
| Dimensions | 768 × 1024px |
| File formats | PSD, JPG |
| Max file size | 100KB |
Mobile
Foreground
| Dimensions | 320 × 250px |
| File formats | PSD, transparent PNG |
| Max file size | 40KB |
Background
| Dimensions | 320 × 620px |
| File formats | PSD, JPG |
| Max file size | 40KB |
Video
| Dimensions | 4:3 or 16:9 aspect ratio |
| File formats | MP4 – H.264 codec |
| Max file size | 2MB |
| Max duration | 6 to 30 seconds |
Additional information.
General guidelines and requirements
- Both foreground and background creative assets MUST be supplied.
- Layered PSD preferred to allow for parallax or animation effects.
Browser compatibility
- Internet Explorer and Microsoft Edge are not supported.
Tracking
- Run of site cross-platform.
- Audience targeting.
Build time
- 3 - 5 working days required for testing and loading.
