How Many Ads Per Page? Finding the Right Ad Density
By Adsonmarket Editorial Team ·
Every extra ad earns a little and costs a little attention. Past a certain point, readers leave sooner and total revenue falls. The right number depends on page length, not a fixed rule.
A practical rule of thumb
Roughly one ad per 300–400 words of content, with at least one full screen of content between units on mobile.
Signals you have too many
Watch these in analytics after adding a unit.
- Pages per session drops
- Time on page drops
- Bounce rate rises
Ads in short vs long content
Short news posts need one or two units; long guides can support four or five spaced throughout.
Example
Removing one unit increased revenue
A forum ran six ads per thread page. Cutting to four raised pages per session from 2.1 to 2.8, and daily revenue grew 9%.
Step-by-step
- Record pages per session and RPM
- Add or remove one unit
- Wait 14 days
- Keep the version with higher revenue per session
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