Ad formats / Display
300x600: the sidebar that behaves like a takeover. The wide skyscraper gives creatives room to breathe and attracts brand demand that standard sizes never see. It is one of the strongest sidebar units for premium publishers.
Schematic placement. Exact positions are modeled per template during onboarding.
| Sizes | 300x600 |
| Viewability | Typically 60-70% |
| Latency budget | < 120 ms added decisioning |
| Best for | Sites with 300px sidebar columns and long articles |
| Devices | Desktop |
| Price basis | CPM at auction clearing prices; reserve via Direct Deals |
Performance figures are indicative network ranges and vary by market, season and placement.
AdX, GAM MCM, Prebid, oRTB and Direct Deals all bid on every wide skyscraper impression.
Reserve this exact placement with a negotiated line whenever it beats the open market.
Density and position chosen from your actual templates, not a checklist.
We model wide skyscraper on your templates and project the CPM band.
Exact positions and density agreed with your team, user-experience first.
The auction runs, your dashboard streams, and the wire does the rest.
Yes, 300x600 is known as both. Buyers often bid it as a premium brand unit.
Our integration audit maps your layout and recommends the largest safe size.
A placement model for your pages, with a projected CPM band, arrives within two business days.