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Optimizing Marketing Spend Through Multi-Source Conversion Attribution
David Jenkins
Introduction
Key Questions What marketing activities impact a sale?How to allocate marketing budget optimally between these activities?
The Problems . . . and Solutions1. Tracking incomplete and inconsistent.2. Leading indicators misleading.3. Tracking too basic.
The OutcomeWhere we focused improvement … and the results
Unresolved IssuesQuestions
About BuildDirect
BuildDirect is an eCommerce platform servicing high volume purchasers of building materials.In business since 1999Around 50 employees, $50 million in salesSell to both business and residentialPrimarily finishing products: Flooring, Decking, Siding etcMajority of customers interact with website
BuildDirect’s Marketing Activities
Branding/ Traffic Based
ROI Based Activities
Issue #1: Tracking Incomplete and Inconsistent
The Problem in 2007
LeakageMany sales that should have been linked to Marketing activities were “leaking” out of the tracking system. Main Causes
• Large share of sales close offline• Multiple contacts involved in a B2B sale• Long sales cycle• Sole reliance on cookie-based tracking
Double Counting of SalesOnline sales being attributed in multiple tracking systems:
• PPC tracking tool• Shopping Engine tracking tool• Affiliate tracking tool
Some systems more robust than othersPPC included some offline salesWe had no way of evaluating PPC against other marketing initiatives
Quantifying the Leakage ProblemCustomer Feedback
Testing
Allocate tracked revenue to relevant source. Compare to total revenue.
Trackable Revenue Before New System Implemented
Trackable Revenue
43%
Untrackable Revenue57%
Trackable Revenue includes revenue that can be mapped to:- Direct Sales Activities- Paid Marketing Activities
- "Free" Marketing- Repeat Buyers
How we solved these issues
Data Warehouse
- Cookie Tracking- Unique 800#- Promote Sign in, email Capture, Sample Sale
- De-duplicate/ Household Data- Cookie aggregation based on house-holding- Match call and email detail to household data- Match sales to grouped cookie data- Attribute sales to relevant sources
Web AnalyticsData
Call DetailSales tracked in
3rd Party Systems
Email detail
CRM
The results . . .
We were in a better position to more effectively attribute revenueHowever, we did not feel we knew which sources were performing best . . .
Trackable Revenue After New System Implemented
Trackable Revenue
81%
Untrackable Revenue19%
Before New System Implemented
Trackable Revenue
43%
Untrackable Revenue57%
Issue #2: Leading Indicators Misleading
The Problem in 2007Lacked a good leading indicator to employ in bidding engines.
Long Sales Cycle• Very difficult to accurately tune bidding engines to react in the short term
Minimum order volumes• Unqualified visitors add noise to click through rates
Large Average Order Value • Results in lumpiness when monitoring ROAS
Click Through Rates Can be Misleading(4 keywords with similar cost per click, exposure and average position)
0%
2%
4%
6%
8%
10%
12%
14%
Click-Thru Rate Final Performance
Keyword 1 Keyword 2 Keyword 3 Keyword 4
The Solution: Quality Visit ScoreProxy values mapped for key short term actions
Phone calls assigned a $ value based on historic conversion rateSample sales assigned a $ value based on conversion rate
Developed Quality Score based on actions during visitDepth of visit impacts scoreViewing key pages impacts scoreKey actions impacts score (e.g. going to cart and calculating shipping)
Click Through Rates Can be Misleading
0%
2%
4%
6%
8%
10%
12%
14%
Click-Thru Rate Quality Rating Final Performance
Keyword 1 Keyword 2 Keyword 3 Keyword 4
Issue # 3: Tracking Too Basic
The Problems
Web metrics tool could only link a sale to one Marketing activity.
We knew there were interactions but could not quantify.
Needed to Analyze sales by click date, not sale dateWe wanted to factor in other issues
Outbound calls by salesLeads (samples, phone calls) Different treatment for repeat purchasersDifferent treatment for direct sales assigned accountsLifetime value of an acquisitionEnsure all costs included – even tracking costs
The Problem: How to attribute a sale to multiple activities
Which source gets the credit?First?
Last?
All Sources Get All Revenue?
Assist Model?
50% of our sales involve touches with > 1 marketing medium
Day 1 8 20 26 43 51Source/ Action
Yahoo Organic
Yahoo Organic
Google Shopping
Sample Purchase
Shopping Bizrate
Purchase
Product Line/
"Stone Siding"
"Porcelain Tile"
Porcelain Tile
Porcelain Tile
Porcelain Tile
Porcelain Tile
Day 1 13 18 21 21 26 42 42 42 42 43Source/ Action
Google Organic
Google Shopping
Google PPCGoogle
ShoppingSample
PurchaseNexttag
ShoppingNexttag
ShoppingGoogle
ShoppingGoogle
ShoppingShopping.com Shopping
Purchase
Product Line/
Keyword
"select cinnamon wide
plank maple flooring"
"American Cherry
Flooring"
"flooring maple"
"shiraz maple
flooring"
Maple Flooring/ Bamboo Flooring
"Bamboo Flooring"
"Hardwood Flooring"
"beauchene cherry spice"
"beauchene cherry
reviews"
"Hardwood Flooring"
Hardwood Flooring
Day 1 1 1 20 20 21
Source/ Action
Shopping Bizrate
Yahoo Organic
Sample Purchase
AffiliateGoogle Organic
Purchase
Product Line/
Keyword
Laminate Flooring
"Laminate Flooring"
Laminate Flooring
Laminate Flooring
"build direct"Laminate Flooring
First Source
Last Source
Is the attribution method really important?
Impact on Revenue Attribution Based on Method UsedFirst Source Assigned Revenue vs Last Source
0
20
40
60
80
100
120
140
PPC Organic Affiliate Shopping Email
First Source Last Source
Paid search looks 20% LESS effective if "Last Source" attribution is used.
Shopping Engines look 30% MORE effective if "Last Source" attribution is used.
Is attribution less important with a short sales cycle?
Impact of Revenue Attribution for Sample SalesWhen first source is used to attribute sales vs last source
0
20
40
60
80
100
120
140
PPC Shopping
First Source Last Source
Even short sales cycle products are impacted by this issue(over 50% of sample sales occur on the same day as the first click)
Shopping Engines look 25% MORE effective if "Last Source" attribution is used.
The Solution
All sources tracked in data warehouseSystem assigns sale to all sources and weights revenue and # orders based on assist model
Assist model25% of revenue automatically goes to first source
Remaining revenue assigned equally among all sources (including first source)
Day 1 15 20
Source/ Action
Google PPC Affiliate Purchase
Product Line/
Keyword
Laminate Flooring
Laminate Flooring
Laminate Flooring
Share of Revenue
25% + 75%/2 = 62.5%
75%/2 = 37.5%
Revenue Allocated
$1,563 $938 $2,500
Example: 2 Sources
Day 1 15 19 20
Source/ Action
Google PPC Affiliate email Purchase
Product Line/
Keyword
Laminate Flooring
Laminate Flooring
Laminate Flooring
Share of Revenue
25% + 75%/3 =
50%
75%/3 = 25%
75%/3 = 25%
Revenue Allocated
$1,250 $625 $625 $2,500
Example: 3 Sources
Other Issues To Consider When Evaluating Marketing Spend
Monitoring activity by click date not sale dateLeads (samples, phone calls)
Sales linked to these actions via house-holdingCost per lead useful metric
Factor in direct sales activityOutbound calls by sales treated as “assist” Different treatment for direct sales assigned accounts
Different treatment for repeat purchasersOnly a portion of repeat revenue attributed to marketing
Lifetime value of an acquisitionMonitored as secondary metricsRevenue from new buyers/ # new buyers monitored as secondary metric
Ensure all costs included in “ad spend”Cost of 3rd party tracking, Management of programsCost of sample program
Where we focused our improvement . . . and the results
Metrics
#1 – MOAS (Weighted Margin on Ad Spend)Replaced return on ad spend – more important as a low margin companyOnly took share of margin based on assist modelAd Spend includes all costs (Ad Spend, 3rd party management, monitoring tools)
Other key metricsClicks/ Click through rateQuality site visitsLeads
• Sample sales• Inbound calls/ emails
Cost per LeadTotal Margin Generated
• Need to be careful not to focus too much on MOAS
Where we focused our improvementsBalancing MOAS between marketing sources
Balancing MOAS by product line• Acted as a catalytic mechanism
Visits Cost (incl mgmt fees)
Cost Per Visit
# Calls # Samples # Orders Revenue Margin Cost/ Lead
Quality Rating
MOAS
Bamboo Flooring 2.1Cork Flooring 0.9Laminate Flooring 1.2Travertine Tile 1.8Marble Tile 1.9Kitchen & Bath 2Composite Decking 1.8Stone Siding 1.0Roofing 0.7Total 1.7
LeadsProduct Line SalesTraffic Summary Conversion
Visits Cost (incl mgmt fees)
Cost Per Visit
# Calls # Samples # Orders Revenue Margin Cost/ Lead
Quality Rating
MOAS
Affiliate 2.1Auction Sites 0.7Email 1.1PPC 1.7PPC-Tier 2 1.5Shopping 1.1Social 1.0Total 1.7
ConversionProduct Line Traffic Summary Leads Sales
The Results
Q4 2008 vs Q4 2007 - Change in Key Metrics
-40%
-30%
-20%
-10%
0%
10%
20%
30%
40%
%Change in Cost %Change in Margin
Unresolved Issues
Unresolved Issues
Some leakage issues remainWe know leakage is not consistent across all sources.
• How can we quantify this?
Some sources are still problematic• Offline advertising
• Social media
• Advertising mediums that add long term branding value
We need to further refine our leading indicators• Use modeling to enhance quality visit metric
Still have some reliance on cookies
Conclusion
Removing gaps in tracking system helped us allocate our spend with more confidence (and success).
Building a short term proxy measure for quality visit generated more successful outcomes for initiatives driven by bidding engines.
Allocating revenue correctly across marketing sources changed our thinking.
Focusing our initiatives on a key metric helped to drive other efficiencies in the organization
Thank You