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How much does lost tracking cost you?

Server-side tracking typically recovers 20–40% of the conversions you lose in Safari/Brave + ad-blockers. Calculate the impact on your accounts.

Your numbers

Monthly ad spend (CZK)

Monthly attributed revenue (CZK) per GA4 / Meta

Estimated data loss (%) average 20–35% after ITP/ad-block

RESULT

Current ROAS

After server-side

Recovered revenue / month

EUR

Payback

—

DataNostro plan for your volume

CZK / month

Net saving / month

EUR

Get started — recover your lost tracking Measure my site

The calculation is indicative — the actual recovery rate depends on the ratio of iOS/macOS visitors, the presence of ad-blockers, and the quality of your client-side tracking. During onboarding, DataNostro measures the exact loss on your own data.