Scaling Ads — Scale Winner An Toan

Scale = tang spend ma giu nguyen (hoac cai thien) efficiency. Scale sai = CPL/CPA tang vot, dot budget. QUY TAC CUNG: khong tang budget khi CPL dang xau — fix van de truoc (goi 21-audit-ads-performance), scale sau.

Thu thap thong tin

Hoi toi da 4 cau:

1. Campaign da co winning ad chua? CPL/CPA on dinh bao nhieu ngay roi? (can >=7 ngay)
2. Metric hien tai? CPL / CPA / ROAS / Frequency / Reach vs audience size?
3. Budget hien tai/ngay va budget target muon dat?
4. Platform va co bao nhieu creative du tru? (khong scale khi chi co 1 creative)

Nguyen tac