What to produce
To get the widest reach across Europe, please supply your banners in the six core formats below. Together they cover desktop, tablet and mobile in every market we run campaigns in.
Size (px) | Name | Device | Comment |
300×250 | Medium Rectangle | Desktop, mobile, tablet | Most important format, with the largest volume in every market |
300×600 | Half Page | Desktop, tablet | High-impact, strong for branding |
728×90 | Leaderboard | Desktop, tablet | Top-of-page placement |
160×600 | Wide Skyscraper | Desktop, tablet | Sidebar placement |
970×250 | Billboard | Desktop | Premium top placement, strong in Central and Southern Europe |
320×50 | Mobile Leaderboard | Mobile | Core mobile format |
Optional formats for extra reach
Size (px) | Name | Device | Comment |
320×100 | Large Mobile Banner | Mobile | Recommended for the UK, Germany and Switzerland |
336×280 | Large Rectangle | Desktop | Additional in-content inventory |
320×480 | Mobile Interstitial | Mobile | Full-screen mobile; requires a visible close button |
250×250
| Square | Mobile | Fallback for smaller mobile placements |
320×320 | Square | Mobile | Fallback for smaller mobile placements |
Recommended formats by country
If your campaign targets specific countries, these are the formats that perform best in each market. Priority formats are the minimum we recommend; optional formats add reach.
Country | Priority formats | Optional formats |
Sweden | 980x240, 300×250, 300×600, 728×90, 320×50 | 160×600, 970×250, 320×480, 320x480 |
Norway | 300×250, 300×600, 728×90, 320×50 | 160×600, 970×250, 320×480 |
Denmark | 300×250, 160×600, 728×90, 320×50 | 300×600, 970×250, 320×480 |
Finland | 300×250, 300×600, 728×90, 160×600, 320×50 | 970×250, 320×480, 300x431, 620x891 |
United Kingdom | 300×250, 300×600, 728×90, 160×600, 320×50, 320×100 | 970×250, 336×280 |
Germany | 300×250, 300×600, 728×90, 160×600, 320×50, 320×100 | 970×250 |
Austria | 300×250, 300×600, 728×90, 970×250, 320×50 | 160×600 |
Switzerland | 300×250, 300×600, 728×90, 320×100 | 160×600, 970×250, 320×50 |
Poland | 300×250, 300×600, 728×90, 970×250, 320×50 | 160×600, 336×280 |
France | 300×250, 300×600, 728×90, 970×250 | 160×600, 320×50 |
Netherlands / Belgium | 300×250, 300×600, 728×90, 970×250, 320×50 | 160×600, 336×280 |
Spain / Italy / Portugal | 300×250, 300×600, 728×90, 970×250, 320×50 | 160×600, 320×100 |
Other EU countries | 300×250, 300×600, 728×90, 160×600, 320×50 | 970×250, 336×280 |
Format checklist by market
● = priority, ○ = optional. Tick the markets in your campaign and produce every format marked in those columns.
Format | SE | NO | DK | FI | UK | DE | AT | CH | PL | FR | NL/BE | ES/IT/PT | Other |
300×250 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● |
300×600 | ● | ● | ○ | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● |
728×90 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● |
160×600 | ○ | ○ | ● | ● | ● | ● | ○ | ○ | ○ | ○ | ○ | ○ | ● |
970×250 | ○ | ○ | ○ | ○ | ○ | ○ | ● | ○ | ● | ● | ● | ● | ○ |
320×50 | ● | ● | ● | ● | ● | ● | ● | ○ | ● | ○ | ● | ● | ● |
320×100 |
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336×280 |
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320×480 | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
250×250 | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
Global campaigns
Campaigns outside Europe, for example in North America, the Middle East or Asia-Pacific. The formats below are supported in every market, so a banner set built from them can run globally without changes.
Device | Supported formats | Comment |
Desktop | 300×250, 300×600, 728×90, 160×600, 970×250, 336×280 | Standard display; image, HTML5 or third-party tags |
Smartphone | 300×250, 320×50, 320×100, 320×480, 250×250 | Mobile web and in-app |
Tablet | 300×250, 300×600, 728×90, 160×600 | Mobile web and in-app |
Recommended formats by region
If your campaign targets specific regions outside Europe, these are the formats we recommend in each region. Priority formats are the minimum we recommend; optional formats add reach.
Region | Priority formats | Optional formats |
USA and Canada | 300×250, 728×90, 300×600, 160×600, 320×50 | 970×250, 336×280, 320×100, 320×480, 250×600 |
Latin America (e.g. Brazil, Mexico) | 300×250, 728×90, 300×600, 320×50 | 160×600, 970×250, 336×280, 320×100 |
Middle East (e.g. UAE, Saudi Arabia) | 300×250, 728×90, 300×600, 320×50 | 160×600, 970×250, 320×100, 320×480 |
Australia and New Zealand | 300×250, 728×90, 300×600, 160×600, 320×50 | 970×250, 336×280, 320×100 |
Japan and South Korea | 300×250, 300×600, 728×90, 320×50, 320×100 | 160×600, 336×280 ,640×320 |
Southeast Asia and India (e.g. Singapore, India) | 300×250, 728×90, 300×600, 320×50 | 160×600, 336×280, 320×100, 320×480, 300×480, |
Other markets | 300×250, 300×600, 728×90, 160×600, 320×50 | 970×250, 320×100, 320×480, 250×250, 640×1000 |
Format checklist by region
● = priority, ○ = optional. Tick the regions in your campaign and produce every format marked in those columns.
Format | US/CA | LATAM | Middle East | ANZ | JP/KR | SEA/IN | Other |
300×250 | ● | ● | ● | ● | ● | ● | ● |
300×600 | ● | ● | ● | ● | ● | ● | ● |
728×90 | ● | ● | ● | ● | ● | ● | ● |
160×600 | ● | ○ | ○ | ● | ○ | ○ | ● |
970×250 | ○ | ○ | ○ | ○ |
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320×50 | ● | ● | ● | ● | ● | ● | ● |
320×100 | ○ | ○ | ○ | ○ | ● | ○ | ○ |
336×280 | ○ | ○ |
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320×480 | ○ |
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250×250 |
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If a campaign runs in both Europe and other regions, combine the formats from the European format checklist with the regions above.
Technical requirements
Requirement | Specification |
File types | JPG, PNG, GIF (static or animated) or HTML5. Third-party ad tags are also accepted. |
Delivery | All creatives packaged in one zip file for upload. Each HTML5 banner is its own zip inside it. |
Desktop file size | Max 300 KB per banner |
Mobile and tablet file size | Max 200 KB per banner (initial load 5 KB for HTML5) |
Animation | Max 30 seconds; the animation must stop after 30 seconds |
Image sharpness | Static images may be supplied at up to 2× the banner dimensions for high-resolution screens |
Mobile interstitial (320×480) | Must include a clearly visible close button; any video must autoplay muted |
HTML5 packaging | One zip per banner with manifest.json and the main HTML file in the root. The file size limit applies to the unzipped banner. |
Click handling | Use clickTAG variables defined in manifest.json, not hard-coded landing page URLs |
In-app (mobile) | MRAID v1 and v2 are supported for HTML5 and rich media banners |
Delivery checklist
All required sizes for the selected markets are included
Each banner is within the file size limit (300 KB desktop, 200 KB mobile)
Animations stop within 30 seconds
HTML5 banners include manifest.json and use clickTAG for clicks
Click-through URL (landing page) is provided, including any tracking parameters
Everything is packaged in a single zip file and named clearly, e.g. Brand_Campaign_300x250
Questions about formats or delivery? Contact your Inzynk contact person or our support team at support@inzynk.com.