Glossary/Programmatic/Made-for-advertising sites (MFA)
What are made-for-advertising (MFA) sites?
What MFA sites are, how buyers spot them, and why real publishers gain when budgets move away from them.
Written by Samhub with the help of AI·Updated 13 Oct 2026·3 min readMade-for-advertising (MFA) sites are websites built mainly to sell ad impressions, often with thin content, heavy ad loads and traffic bought from other sources.
Typical signs
| Sign | Example |
|---|---|
| High ad load | Many ads per screen |
| Bought traffic | Most visits from paid recommendation links |
| Fast refresh | Ads that reload often |
| Thin content | Slideshows and copied articles |
Why buyers avoid them
MFA sites can look good on cheap metrics like viewability and clicks, but deliver little real attention. The ANA, a US advertiser association, highlighted the problem in its 2023 programmatic study.
16 pages for publishers, with a checklist for data, programmatic and direct sales.
What it means for publishers
As buyers cut MFA, budgets move to real publishers. Clear quality signals, real audiences and a clean ad experience help you capture them.
CPM uplift at Stampen Media after activating first-party audiences with Samhub.
Frequently asked questions
No, but buyers increasingly exclude them.
Through verification vendors, ad load data and traffic sources.
Rarely, but high ad loads and bought traffic raise the risk.
No. The traffic can be human, but the value is low.
Related terms
Impressions and clicks not made by real, interested people.
Buyers choosing the shortest, cleanest route to inventory.
How many ads a page or app shows.
Checking that ads ran as agreed.
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