10-tinh-kpi-nguoc

Tinh KPI Nguoc

Thu thap thong tin

Hoi user toi da 4 cau sau truoc khi bat dau:

1. Muc tieu la gi? (Doanh thu X trieu/thang? Hay ngan sach co san X trieu va muon biet duoc bao nhieu don?)
2. San pham / dich vu va gia ban? (Gia trung binh 1 don hang — AOV)
3. Nganh hang va kenh hien tai? (Nganh gi? Dang chay kenh nao? Co du lieu CPMess/CPL hien tai khong?)
4. Thoi gian chien dich? (1 thang? 3 thang? 6 thang? Co pha theo giai doan khong?)

---

2 huong tinh

Huong 1 — Tinh nguoc (Reverse): Tu doanh thu → Ngan sach

Dung khi: "Toi muon dat 200 trieu/thang — can bao nhieu tien ads?"

Doanh thu muc tieu
  / AOV (gia tri don trung binh)
  = SO DON CAN
  / Ti le Booking→Customer
  = SO BOOKING CAN
  / Ti le Lead→Booking
  = SO LEAD CAN
  / Ti le Mess→Lead
  = SO TIN NHAN CAN
  x CPMess
  = NGAN SACH ADS CAN

Huong 2 — Tinh xuoi (Forward): Tu ngan sach → Doanh thu

Dung khi: "Toi co 50 trieu — chay duoc bao nhieu don?"

Ngan sach
  / CPMess
  = SO TIN NHAN DU KIEN
  x Ti le Mess→Lead
  = SO LEAD DU KIEN
  x Ti le Lead→Booking
  = SO BOOKING DU KIEN
  x Ti le Booking→Customer
  = SO DON DU KIEN
  x AOV
  = DOANH THU DU KIEN

---

Benchmark Vietnam 2025–2026

Ti le chuyen doi theo nganh

Buoc	Trung binh chung	Beauty & Spa	F&B	Education	E-commerce	BDS
Mess→Lead	50–60%	55–65%	45–55%	40–50%	N/A	35–45%
Lead→Booking	50–60%	55–65%	40–55%	N/A	N/A	10–20%
Booking→Customer	30–40%	40–55%	N/A	5–15%	1–3%	5–15%
Customer→Re-purchase (90d)	15–25%	20–35%	25–40%	N/A	10–20%	N/A

CPMess / CPL theo kenh

Kenh	CPMess Kem	CPMess TB	CPMess Tot	CPMess Xuat sac
Meta (Facebook + IG)	>40K	25–40K	18–25K	<18K
TikTok	>45K	28–45K	20–28K	<20K
Google (CPL)	>200K	85–150K	50–85K	<50K
Zalo (CPMess broadcast)	N/A	~500d/mess	~300d/mess	<200d/mess

Luu y mua vu

Thoi diem	Anh huong CPM
Tet Nguyen Dan (T1–T2)	+30–50%
Black Friday / 11.11 / 12.12	+20–30%
He (T6–T8)	+10–15%
Thang binh thuong	Baseline

---

Bang tinh 3 kich ban

Cau truc 3 kich ban

Chi so	Pessimistic (Xau)	Base (Co so)	Optimistic (Tot)
CPMess	TB nganh + 30%	TB nganh	TB nganh - 20%
Mess→Lead	TB nganh - 15%	TB nganh	TB nganh + 15%
Lead→Booking	TB nganh - 10%	TB nganh	TB nganh + 10%
Booking→Customer	TB nganh - 10%	TB nganh	TB nganh + 10%

Template bang tinh (vi du: Spa, AOV 500K, muc tieu 200 trieu/thang)

Buoc	Pessimistic	Base	Optimistic
Doanh thu muc tieu	200,000,000	200,000,000	200,000,000
AOV	500,000	500,000	500,000
So don can	400	400	400
Booking→Customer	36%	45%	55%
So booking can	1,111	889	727
Lead→Booking	47%	60%	69%
So lead can	2,364	1,481	1,054
Mess→Lead	47%	60%	69%
So tin nhan can	5,030	2,469	1,527
CPMess	39,000	30,000	24,000
Ngan sach ads	196,170,000	74,070,000	36,648,000
ROAS du kien	1.02x	2.70x	5.46x

Doc ket qua

• Pessimistic: Can ~196 trieu ads cho 200 trieu doanh thu — ROAS <1, lo
• Base: Can ~74 trieu ads — ROAS 2.7x, chap nhan duoc
• Optimistic: Can ~37 trieu ads — ROAS 5.5x, rat tot

Dung so Base de lap ke hoach. Dung so Pessimistic de du phong. Dung so Optimistic de dat muc tieu toi uu.

---

Sensitivity Analysis (Phan tich do nhay)

Bien nao anh huong nhieu nhat? Tang/giam 10% moi bien va xem ngan sach thay doi bao nhieu:

Template

Bien	Gia tri Base	Thay doi +10%	Ngan sach moi	Thay doi ngan sach
CPMess	30K	33K	+10%	Truc tiep 1:1
Mess→Lead	60%	66%	-9%	Anh huong lon
Lead→Booking	60%	66%	-9%	Anh huong lon
Booking→Customer	45%	49.5%	-9%	Anh huong lon
AOV	500K	550K	-9% (it don hon)	Gian tiep

Nhan dinh

Quy tac 80/20: Thuong 2 bien anh huong nhieu nhat la:

1. CPMess — phu thuoc creative + targeting → toi uu bang A/B test ads
2. Mess→Lead — phu thuoc chat luong tu van → toi uu bang script chot + toc do reply

Bien de cai thien nhat: [Xep hang tu de den kho]

Bien	Muc do cai thien	Cach cai thien
CPMess	De — test creative	A/B test 3–5 creative/tuan, doi hook, doi format
Mess→Lead	De — cai script	Training team, script chuan, reply <5 phut
Lead→Booking	Trung binh — cai quy trinh	Follow-up 3 lan, noi dung nurture, uu dai
Booking→Customer	Kho — cai trai nghiem	Chat luong dich vu, first impression, upsell

---

Break-even (Diem hoa von)

Cong thuc

Break-even don = Chi phi co dinh / (AOV - Chi phi bien doi moi don)
Break-even ngay = Break-even don / So don trung binh moi ngay

Template break-even

Hang muc	Gia tri
Chi phi co dinh/thang
— Ngan sach ads	[X]
— Content production	[X]
— Nhan su MKT	[X]
— Tool (CRM, email, design)	[X]
— UGC/KOL	[X]
Tong chi phi co dinh	[X]
AOV	[X]
Chi phi bien doi/don	[X] (van chuyen, hoa hong, COGS)
Loi nhuan/don	AOV - Chi phi bien doi = [X]
Break-even don	Tong CF co dinh / Loi nhuan moi don = [X don]
Break-even ngay	Break-even don / 30 = [X ngay]

Danh gia

Ket qua	Y nghia	Hanh dong
Break-even < 50% so don du kien	An toan — du bien do loi nhuan	Co the scale ngan sach
Break-even = 50–80% so don du kien	Chat — it du bien do	Toi uu chi phi truoc khi scale
Break-even > 80% so don du kien	Rui ro cao — de lo	Giam chi phi hoac tang AOV

---

Phan bo ngan sach theo giai doan

4 giai doan chien dich

Giai doan	% Ngan sach	Thoi gian	Muc dich	KPI chinh
Teasing	15%	Tuan 1	Gay to mo, xay awareness	Reach, Video View, Save
Bung nhe	20%	Tuan 2	Test creative, thu lead dau tien	CPMess, Lead, A/B test
Bung manh	40%	Tuan 3–4	Scale creative thang, chot don	ROAS, So don, Revenue
Duy tri	25%	Tuan 5+	Retarget, nurture, re-purchase	CPA, LTV, Retention

Template phan bo

Vi du: Ngan sach 80 trieu/thang

Giai doan	%	So tien	Tuan	Ngan sach/ngay
Teasing	15%	12,000,000	Tuan 1 (7 ngay)	1,714,000/ngay
Bung nhe	20%	16,000,000	Tuan 2 (7 ngay)	2,286,000/ngay
Bung manh	40%	32,000,000	Tuan 3–4 (14 ngay)	2,286,000/ngay
Duy tri	25%	20,000,000	Tuan 5+ (con lai)	Tuy so ngay

---

Phan bo ngan sach theo kenh

Khuyen nghi theo nganh

Kenh	Beauty/Spa	F&B	Education	E-commerce	BDS
Meta (Facebook + IG)	50–60%	40–50%	45–55%	35–45%	50–60%
TikTok	25–35%	30–40%	20–30%	35–45%	10–20%
Google	10–15%	5–10%	20–30%	15–20%	25–35%
Zalo OA	5–10%	5–10%	5–10%	0–5%	5–10%

Nguyen tac phan bo

1. Kenh da chung minh hieu qua → 60–70% ngan sach. Khong dan deu.
2. Kenh moi / test → 15–20% ngan sach. Du de co du lieu, khong qua nhieu de mat tien.
3. Retarget → 10–15% ngan sach. Nham lai nguoi da tuong tac — thuong ROAS cao nhat.
4. Chuyen kenh khi ROAS < 2x sau 2 tuan. Khong cho doi qua lau.

Template phan bo thang

Kenh	% Ngan sach	So tien	KPI muc tieu	KPI do luong
Meta — Reach/Awareness	[X]%		Reach, Video View	CPM, CPV
Meta — Conversion	[X]%		Mess, Lead	CPMess, CPL
Meta — Retarget	[X]%		Don hang	ROAS, CPA
TikTok — Reach	[X]%		View, Follower	CPV, Cost/Follower
TikTok — Conversion	[X]%		Mess, Lead	CPMess
Google — Search	[X]%		Click, Lead	CPC, CPL, Conv rate
Zalo OA	[X]%		Read, Click	Cost/mess, Read rate
Tong	100%

---

ROI Projection Timeline

Khi nao thay ket qua?

Giai doan	Thoi gian	Ky vong	Chi so theo doi
Testing	Tuan 1–2	Chua co don, dang test creative + audience	CPM, CTR, CPMess
First results	Tuan 3–4	Don dau tien, ROAS con thap	So mess, so lead, don dau
Optimization	Thang 2	ROAS cai thien, bat dau on dinh	ROAS, CPA
Scale	Thang 3+	ROAS on dinh, tang ngan sach co kiem soat	ROAS duy tri, Revenue tang
Mature	Thang 6+	he thong tu chay, co data du de forecast	LTV, Retention, Organic %

Quy tac ngon tay cai

Quy tac	Giai thich
2 tuan dau = mat tien	Day la chi phi hoc — dung hoang, dung tat ads
ROAS Base dat o thang 2	Thang 1 la thang test — khong danh gia ROAS thang 1
Tang ngan sach toi da 20%/tuan	Tang nhanh hon = performance giam, CPM tang
ROAS giam 30% khi scale	Binh thuong — audience rong hon = ti le chuyen doi thap hon
Retarget ROAS cao gap 2–3x Prospecting	Dung de nham, retarget luon la kenh ROAS tot nhat

---

Cross-reference

• Can ke hoach tong the chua? → Dung 00-ke-hoach-mkt truoc, roi quay lai tinh KPI
• Can bao cao hieu suat hien tai de dieu chinh? → Dung 03-danh-gia-hieu-suat hoac 07-bao-cao-marketing
• Can biet doi thu chi bao nhieu? → Dung 08-nghien-cuu-doi-thu
• Can hieu khach hang de tinh ti le chuyen doi chinh xac hon? → Dung 09-insight-khach-hang
• Can phan tich du lieu sau khi chay? → Dung 13-phan-tich-du-lieu

---

Checklist chat luong

Truoc khi giao bao cao, kiem tra:

• Da xac dinh dung huong tinh (nguoc tu doanh thu hay xuoi tu ngan sach)
• Benchmark dung nganh, dung kenh — khong dung so chung
• Co du 3 kich ban: Pessimistic, Base, Optimistic
• Sensitivity analysis chi ra bien nao anh huong nhieu nhat + cach cai thien
• Break-even duoc tinh va danh gia muc do rui ro
• Phan bo ngan sach theo giai doan co timeline cu the (tuan/thang)
• Phan bo kenh co ty le phu hop voi nganh va muc tieu
• ROI timeline thuc te — khong hua ROAS cao tu tuan 1
• Tong ngan sach khop giua cac bang (giai doan + kenh + tong = khop nhau)
• Co ghi chu mua vu neu chien dich roi vao dip dac biet (Tet, 11.11, etc.)