HTML5 rules for Alma Media. Requirements depend on the ad server that serves each format.
Some of this publisher's rules are still being verified. Rules marked Not verified can't fail a file.
| Format | Sizes | Weight limit | Accepted | Evidence |
|---|---|---|---|---|
| Giant panorama | 600 × 600, 980 × 400, 640 × 640 | 300 kB · initial load | jpg, gif, png, html5, third-party-tag | AOfficial requirement. Evidence details
Cross-device 600x600, desktop 980x400, mobile optional 640x640. Open source ↗ |
| Vertical panorama | 300 × 600, 300 × 431 | 300 kB · initial load | jpg, gif, png, html5, third-party-tag | AOfficial requirement. Evidence details
300 kt. Open source ↗ |
| Box | 600 × 500, 600 × 600 | 300 kB · initial load | jpg, gif, png, html5, third-party-tag | AOfficial requirement. Evidence details
300 kt. Open source ↗ |
| Mega panorama | 980 × 552, 300 × 431, 640 × 920 | 300 kB · initial load | jpg, gif, png, html5, third-party-tag | AOfficial requirement. Evidence details
300 kt. Open source ↗ |
| Digital full page | 620 × 891 | 300 kB · initial load | jpg, gif, png, html5, third-party-tag | AOfficial requirement. Evidence details
300 kt. Open source ↗ |
| Giant panorama + wallpaper | 980 × 400, 1600 × 1200 | 400 kB · initial load | jpg, png, gif, html5-zip, third-party-tag | AOfficial requirement. Evidence details
Panorama 300 kt and wallpaper 400 kt; PMP/PG wallpaper 1600x1150. Open source ↗ |
| Superpage | 1920 × 1080, 1080 × 1920 | 300 kB · initial load | jpg, png, video, third-party-tag, gif | AOfficial requirement. Evidence details
No HTML5 ZIP; safe zones apply. Open source ↗ |
| Reel Expander (Adnami) | — | — · basis not stated | third-party-tag | AOfficial requirement. Evidence details
Up to 6 click URLs (one per content element plus the main ad). Open source ↗ |
HTML5 as a ZIP (no post-loading possible).
Open source ↗3rd-party tag; HTML5 behind a tag must follow the same guidance; content shown inside an iframe.
Open source ↗Superpage accepts JPG/PNG/video/3rd-party tag/GIF; exported tags must be Microsoft Monetize (formerly Xandr) compatible; tested: Adform, DoubleClick, ...
Open source ↗HTML5 ZIP is not listed for Superpage.
Open source ↗window.open("https://www.yoursite.fi") or <a href="https://www.yoursite.fi">, in the index file; open in a new tabLinks are implemented with window.open(url, ...) or normal links and added to the index file; clicks may not be registered if clickable areas are created dynamically.
Open source ↗| Property | Rule | Evidence |
|---|---|---|
| Initial load | ≤ 300 KB | AOfficial requirement. Evidence details
Most CPM formats: 300 kt; the initial load must fit the limit. Open source ↗ |
| Trackers count towards the initial load | Yes | AOfficial requirement. Evidence details
Measurement pixels and scripts loaded with the material count towards the initial load (e.g. Adform, DoubleClick, MOAT, IAS). Open source ↗ |
| Polite (post) loading | Not allowed | AOfficial requirement. Evidence details
Post-loading is not possible for materials delivered as ZIP files. Open source ↗ |
| Post-load starts | window.onload | AOfficial requirement. Evidence details
Post-load (tag deliveries) starts from window.onload, or from a user action. Open source ↗ |
| CPU load | ≤ 20 % | AOfficial requirement. Evidence details
CPU load at a maximum of about 20%. Open source ↗ |
| Everything over HTTPS | Required | AOfficial requirement. Evidence details
All external data over HTTPS; all materials and tracking pixels HTTPS compatible. Open source ↗ |
| Fonts count towards weight | Yes | AOfficial requirement. Evidence details
Font files count towards the limit and require a licence; avoid loading large external fonts. Open source ↗ |
| Google Web Designer environment | non-google-ad | AOfficial requirement. Evidence details
If using Google Web Designer, select the Non-Google Ad setting. Open source ↗ |
| Pointer cursor on clickable areas | Required | AOfficial requirement. Evidence details
The cursor must change over clickable areas. Open source ↗ |
| Clicks open in | _blank | AOfficial requirement. Evidence details
Links open in a new tab. Open source ↗ |
| jQuery | Not allowed | BOfficial recommendation. Evidence details
jQuery not recommended (weight); lightweight libraries allowed. Open source ↗ |
| Handles connection errors | Yes | BOfficial recommendation. Evidence details
Account for connection errors; external servers must handle the load. Open source ↗ |
| Unsupported browsers declared | Required | AOfficial requirement. Evidence details
Browsers in which the material doesn't work must be announced at delivery. Open source ↗ |