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The Formula for Email and Web Conversion SuccessJon PowellMECLABS
MarketingSherpa | MarketingExperiments
Top Obstacles in Email
Staffing, expertise
Creating consistent, relevant content
Merging Email Data
1 billion+ emailmessages
400 uniquerules
Evaluates performance from: • 1 billion+ sent and
tracked email messages
• Over 400 unique rules
An ExperimentEmail messaging effectiveness
Background: Large financial institution offering mortgages to consumers.
Goal: To determine which claim of value will generate the most response.
Primary research question: Which subject line will produce the greatest open rate and click rate?
Approach: A/B/C single-factorial split
Experiment ID: (protected)Location: MarketingExperiments Research LibraryTest Protocol Number: TP2092�
Test Scenario 1
Test Protocol ID: TP2092
Looking for a lower mortgage rate? You’re not alone.
Version A
Version B
Version C
Discover the advantages of [Brand Name] mortgages
Own your home sooner with free bi-weekly payments
SL Rating
81
78
63
Test Scenario 1
Subject Line Tool Rating
Open Rate
Rel. Diff.
A Looking for a lower mortgage rate? You’re not alone. 63/100 18.08% -
B Discover the advantages of [Brand Name] mortgages 78/100 19.80% 9.5%
C Own your home sooner with free bi-weekly payments 81/100 20.99% 16.0%
Accurate PredictionVersion B & C generated a statistically significant improvement over A
Subject Line Tool Rating
Open Rate
Rel. Diff.
A Looking for a lower mortgage rate? You’re not alone. 63/100 18.08% -
B Discover the advantages of [Brand Name] mortgages 78/100 19.80% 9.5%
C Own your home sooner with free bi-weekly payments 81/100 20.99% 16.0%
Click Rate
Rel. Diff.
0.61% -
0.57% -7.4%
0.68% 11.3%
Accurate PredictionVersion B & C generated a statistically significant improvement over A Mostly Accurate PredictionVersion C still generated a statistically significant improvement over A
Background: A well-known news publication
Goal: To increase subscriptions from former subscribers who have been absent between one and two years
Primary research question: Which subject line will produce the greatest open rate?
Approach: A/B/C single-factorial split
Experiment ID: (protected)Location: MarketingExperiments Research LibraryTest Protocol Number: TP2078�
Test Scenario 2
Test Scenario 2Test Protocol ID: TP2078
Choose from 2 ways to save big on the NEW [PublicationName].com
Version A
Version B
Save 50% on your choice of two new subscription options
Version C
Home Delivery comes with FREE access to [PublicationName].com
SL Rating
56
59
50
Subject Line Tool Rating
Open Rate Rel. Diff.
A Choose from 2 ways to save big on the NEW [PublicationName].com 56/100 9.43% 50.2%
B Save 50% on your choice of two new subscription options 59/100 7.01% 11.7%
C Home Delivery comes with FREE access to [PublicationName].com 50/100 6.28% --
Inaccurate PredictionWhile Version A generated a statistically significant response, Version B did not
Subject Line Tool Rating
Open Rate Rel. Diff.
A Choose from 2 ways to save big on the NEW [PublicationName].com 56/100 9.43% 50.2%
B Save 50% on your choice of two new subscription options 59/100 7.01% 11.7%
C Home Delivery comes with FREE access to [PublicationName].com 50/100 6.28% --
Click Rate Rel Diff.
1.48% 86%
0.76% -5.3%
0.80% --
Inaccurate PredictionWhile Version A generated a statistically significant response, Version B did not
Test Scenario 3Test Protocol ID: TP2076
Target MDs with Surveys and PanelsVersion A
Version B
Reach 120,000 Physicians through Social Media
SL Rating
94
76
Subject Line Tool Rating
Open Rate Rel Diff.
A Target MDs with Surveys and Panels 94/100 21.30% --
B Reach 120,000 Physicians through Social Media 76/100 22.92% 7.6%
Inaccurate PredictionVersion B generated a statistically significant higher response than A
Subject Line Tool Rating
Open Rate Rel Diff.
A Target MDs with Surveys and Panels 94/100 21.30% --
B Reach 120,000 Physicians through Social Media 76/100 22.92% 7.6%
Inaccurate PredictionVersion B generated a statistically significant higher response than A
Experiment: Results
The tool predicts a winner:
31.57% of the time
After rating hundreds of subject lines from our library of statistically significant experiments…
A coin predicts a winner:
50% of the time
25¢ Subject Line Rating ToolCheck Yours Now!
The tool predicts a winner:
31.57% of the time
So what went wrong with the tool?Decisions based on violations:• Does not contain a sense of urgency• Mobile subject line is over 35 characters• Length is over 50 characters• Contains any word that has more than 8
characters• Includes one exclamation mark• Use of a word in all caps• Includes the word “You” or “Your”• Contains comma• Starts with Save• Use of $• Contains % off
So what went wrong with the tool?Decisions based on violations:• Does not contain a sense of urgency• Mobile subject line is over 35 characters• Length is over 50 characters• Contains any word that has more than 8
characters• Includes one exclamation mark• Use of a word in all caps• Includes the word “You” or “Your”• Contains comma• Starts with Save• Use of $• Contains % off
Computers are great with computer logic;
But not so great withhuman logic
• Computer logic draws conclusions from algorithms, rules, switches and settings
• Human logic draws conclusions from context, emotions, desires and belonging.
The computer approach
The computer approachIn marketing…
We tend to rely on rule sets• Emphasize the benefits• Avoid long copy, use bullets• Always include a call to action• Keep it above the fold• Emphasize hero shots• Minimize compliance text• Use tabs for additional info
The ResearchMarketingExperiments was the first Internet-based research lab to conduct experiments in optimizing the conversion rate of sales and marketing processes.
1992 Preliminary Research Begins
1997 Research Program Established
2001 First Research Report Published
2002 Testing of Research Partnership Model Begins
2003 Offer Response Optimization Theory Validated
2006 Patent Filings for Research Findings (10 Heuristics)
The ResearchMarketingExperiments was the first Internet-based research lab to conduct experiments in optimizing the conversion rate of sales and marketing processes.
1992 Preliminary Research Begins
1997 Research Program Established
2001 First Research Report Published
2002 Testing of Research Partnership Model Begins
2003 Offer Response Optimization Theory Validated
2006 Patent Filings for Research Findings (10 Heuristics)
People judge emails, websites in the same way they judge people
It’s not the change on the page;It’s the change in the mind
The Result
eme = email messaging effectiveness index rv = relevance to the consumer of = offer to act upon i = incentive to take action f = friction elements of process a = anxiety elements of process
eme = rv(of + i) – (f + a) ©
Email Messaging Optimization Heuristic
eme = rv(of+i) – (f+a)The Result
Perceived Cost
rv ofi
fa
Perceived Value
eme = rv(of + i) – (f + a) ©
The Result eme = rv(of+i) – (f+a)
Relevance (rv)Increasing Perceived Value
Relevance
Relevance -- The compatibility of the email message to the recipient’s motivations.
eme = rv(of + i) – (f + a) ©
eme = rv(of+i) – (f+a)RelevanceTo ThisFrom This
Internal motivations• Personal interests • Demographics• Shopping habits• Personality• Communication styles• Level of engagement
External events• Environmental changes,
realities• Holidays • News events• Competitive initiatives
F Key Principles
eme = rv(of+i) – (f+a)Relevance
Experiment ID: Pier 1 ImportsLocation: MarketingSherpa Research LibraryTest Protocol Number: A-TP1002�
Experiment
Background: B2C home products company with a significant online and retail presence
Goal: To increase the click-through rate from the email to the landing page
Primary research question: Which email design will generate the most clicks?
Approach: A/B/C/D split test (variable cluster)
eme = rv(of+i) – (f+a)
eme = rv(of+i) – (f+a)
SampleExperiment
Team A
Team B
Team C
Experiment
Team A Team B Team C
Sample
eme = rv(of+i) – (f+a)
Email Designs Click Rate Rel. Diff.
Sample (client) 36.70% -
Team A Design 17.68% -51.83%Team B Design 29.91% -18.50%Team C Design 24.07% -34.41%
18-52% Decrease in Click-through Each design achieved a statistically significant click-rate decrease
Click-through rate comparisonExperiment eme = rv(of+i) – (f+a)
Team A Team BTeam C Client
17.68% 24.07% 29.91% 36.70%
Experiment eme = rv(of+i) – (f+a)
Team A Team BTeam C Client
17.68% 24.07% 29.91% 36.70%
See a progression?
Offer (of)Increasing Perceived Value
Offer
Offer -- The value you promise in exchange for an action (i.e. a click, a transaction)
eme = rv(of + i) – (f + a) ©
What really is the offer in email?• You may think that the offer is the product that you want
to sell.
• In reality it is the additional information they receive in exchange for a click.
• What is the most effective way to get a click? Is it to give them an entire product pitch? Or just a part?
Offer eme = rv(of+i) – (f+a)
Offer eme = rv(of+i) – (f+a)
Experiment ID: (Protected)Location: MarketingExperiments Research LibraryTest Protocol Number: TP2801�
Experiment
Background: A physician-only social network that allows medical product companies to conduct first-hand research on potential purchasers.
Goal: To increase the number of leads from a rented trade publication list.
Primary research question: Which email design will generate the most opens, clicks?
Approach: Multi-factorial sequential test on a trade publication list
eme = rv(of+i) – (f+a)
This email assumes that readers understand the platform’s audience and thus focuses on platform uses
It also assumes intent to purchase with multiple “Get Started” calls to action, one as early as the second sentence
Experiment eme = rv(of+i) – (f+a)
Control
Get started with a free30-minute demo
Get started with a free 30-minute demo
PROTECTED
This version focuses less on platform and more on its users
The primary call-to-action was written to synchronize with their state of interest
TreatmentPROTECTED
Control Treatment
Experiment eme = rv(of+i) – (f+a)
104% Increase in clicks Version B achieved a statistically significant increase in click-rate
Email Click Rate Rel. Diff.
Control 1.55% --
Treatment 3.16% 104%
• In the body of the email, it is important to distinguish the difference between the product offer and the click-through offer.
Offer eme = rv(of+i) – (f+a)
F Key Principles
• In the body of the email, it is important to distinguish the difference between the product offer and the click-through offer.
• Your communication of value starts with your subject line and should progress, like a conversation, throughout the entire conversion process
Offer eme = rv(of+i) – (f+a)
F Key Principles
Test Protocol ID: TP2076
Target MDs with Surveys and Panels
Reach 120,000 Physicians through Social Media
Not this…
But this…
27.6%Increase in clicks
Offer eme = rv(of+i) – (f+a)
Offer eme = rv(of+i) – (f+a)
From This To This
Incentive (i)Increasing Perceived Value
Incentive – An additional element introduced to achieve a desired action.
Incentive
eme = rv(of + i) – (f + a) ©
eme = rv(of+i) – (f+a)
• The purpose of an incentive is to increase the probability of immediate action by tipping the balance of emotional
Incentive
F Key Principles
conflict inside the person
We typically think of…• Discounts (20% off, buy-one-get-one-free)
• Order/Delivery (Free shipping, accelerated shipping, instant download
• Add-ons (subscription extensions, warrantee extensions)
• Content (Whitepapers, books, articles, reports , e-books)
• Accompanying product Incentives • Free accessories (carrying case)• Complementary products (memory card)
eme = rv(of+i) – (f+a)Incentive
Also consider including…
• Instilled Deadlines
• Standard promotions
• Implied exclusivity
• Contests
• Limited Availability
24 hours only: Free shipping on…
This is the last day to enter for your chance to…
Only 25 seats left to see register for...
48-hour member exclusive: new fall styles…
eme = rv(of+i) – (f+a)Incentive
eme = rv(of+i) – (f+a)Incentive
• The purpose of an incentive is to increase the probability of immediate action
F Key Principles
conflict inside the personby tipping the balance of emotional
• In email messaging, it can also include the use of artificial urgency, in which the immediacy associated with the offer is controlled by the marketer.
Friction (f)Decreasing Perceived Cost
Friction – Psychological resistance to a given element anywhere in the email process
Friction
eme = rv(of + i) – (f + a) ©
• Two common elements that create friction in the process are:
• Length• Difficulty
• The objective is to minimize, not eliminate friction. If you eliminate all friction, you eliminate “the sale.”
eme = rv(of+i) – (f+a)Friction
F Key Principles
Test Protocol ID: TP2089
Not this
But This
21.2%Increase in clicks
Length1
eme = rv(of+i) – (f+a)Friction
Not this But This
52.5%Increase in app starts
41.4%Increase in clicks
Length1
eme = rv(of+i) – (f+a)FrictionTest Protocol ID: TP2081
But this (1 Option)Not this (6 Options)
46%Increase in purchases
Difficulty2
20%Increase in clicks
eme = rv(of+i) – (f+a)FrictionTest Protocol ID: TP2026
10%Increase in clicks
Not this But This
Difficulty2
eme = rv(of+i) – (f+a)FrictionTest Protocol ID: TP2026
What else contributed to differences in performance?
eme = rv(of+i) – (f+a)FrictionTest Protocol ID: A-TP1002
Not This But This
What else contributed to differences in performance?
eme = rv(of+i) – (f+a)FrictionTest Protocol ID: A-TP1002
Not This But This
Anxiety (a)Decreasing Perceived Cost
Anxiety – Psychological concern stimulated by a given (or unaddressed) element in the email process
Anxiety
eme = rv(of + i) – (f + a) ©
eme = rv(of+i) – (f+a)AnxietyThey’re just hard water stains…
• Anxiety is just as lethal to conversion as friction.
• Try and mitigate anxiety rationally and you are likely to fail…
• Though created from legitimate concern, its impact in the mind is often disproportionate to the reality of risk.
• While website visitors are skeptical and cautious, the natural level of concern is even greater for email offer recipients.
Anxiety
F Key Principles
eme = rv(of+i) – (f+a)
Experiment ID: (Protected)Location: MarketingExperiments Research LibraryTest Protocol Number: TP2083�
Background: A large event management online software provider.
Goal: To increase total lead inquiries (phone calls + form sign-ups) from visitors who abandoned the free trial sign-up process.
Primary research question: Which email tone will result in a higher rate of lead inquiries?
Approach: A/B single factorial split
Experiment eme = rv(of+i) – (f+a)
ExperimentSubject Line: Your Free RegOnline Access Dear [Name], You’re just one step away from getting FREE access to RegOnline, our award winning Event Registration and Management Software. Quickly make an event website, try our event marketing tools, build a registration form template or even generate custom name badges. Click here to finish your profile and get started. Your personal profile is kept secure and we promise NEVER to sell or misuse your information. Have questions? Call us direct at 1-800-XXX-XXXX -- we can even set up your free access over the phone. Sincerely, Jon PowellCustomer Service RepresentativeRegOnlineDirect: 1-800-XXX-XXXX ext. [email protected]
• The control email uses a typical sales tone of a direct-response email.
Control
Subject Line: Your Free RegOnline Access Hi [First], I noticed that you started the process of getting free access to RegOnline but weren’t able to finish. Are you concerned about giving out your phone number? Are you worried about high pressure sales tactics or mandatory contracts? We believe our product sells itself, so we’re just here to provide you with whatever assistance you need in getting your event up and running - in whatever way works best for you. We promise NEVER to sell or misuse your information. Call me direct at 1-800-XXX-XXXX and I can help get you rolling. If you’d rather just try again online, use this link instead. Thank you in advance for your trust! Sincerely, [Name of Representative]Customer Service RepresentativeRegOnlineDirect: 1-800-XXX-XXXX ext. XXXX[name]@RegOnline.com
• The treatment directly addresses anxiety, taking on a categorical shift in tone – from a direct-response tone to a customer service tone.
Treatment
Direct Response Tone
Control
Customer Service Tone
Treatment
Experiment eme = rv(of+i) – (f+a)
349% Increase in lead inquiry rate The service tone achieved a statistically significant increase in inquiries
Email Inquiry Rate Rel. Diff.
Control 1.58% --
Treatment 7.08% 349.41%
Experiment ID: (Protected)Location: MarketingExperiments Research LibraryTest Protocol Number: TP2115�
Background: National B2C, B2B financial company with an online and retail presence
Goal: To increase account activity, engagement
Primary research question: Which subject line will generate the most opens and clicks?
Approach: A/B/C/D split test (variable cluster)
Experiment eme = rv(of+i) – (f+a)
Experiment eme = rv(of+i) – (f+a)
# Subject Line TestedID1: [Name], Your Account Information is Ready To View
ID9: Sign on to your checking account
ID5: Your Account Information is Ready to View
ID3: Did you forget your [Bank Name] Online username or password?
ID10: Check your account balance online, anytime
ID6: Check your account balance online, anytime. Sign on now.
ID12: Don't forget to access your [Bank Name] account online
ID7: Sign on to your [Bank Name] checking account ID8: It's easy to log-in to your [Bank Name] account online
ID11: Easily manage your accounts in one place with [Bank Name] Online
ID13: Save time managing your money with [Bank Name] Online
ID4: Manage your money more effectively with [Bank Name] Online
ID2: Save Time by Paying Your Bills Online
# Subject Line TestedID1: [Name], Your Account Information is Ready To View
ID9: Sign on to your checking account
ID5: Your Account Information is Ready to View
ID3: Did you forget your [Bank Name] Online username or password?
ID10: Check your account balance online, anytime
ID6: Check your account balance online, anytime. Sign on now.
ID12: Don't forget to access your [Bank Name] account online
ID7: Sign on to your [Bank Name] checking account ID8: It's easy to log-in to your [Bank Name] account online
ID11: Easily manage your accounts in one place with [Bank Name] Online
ID13: Save time managing your money with [Bank Name] Online
ID4: Manage your money more effectively with [Bank Name] Online
ID2: Save Time by Paying Your Bills Online
Open30.77%30.70%28.49%28.21%26.97%25.23%25.21%24.43%21.26%20.44%19.32%19.27%16.53%
Experiment eme = rv(of+i) – (f+a)
# Subject Line TestedID1: [Name], Your Account Information is Ready To View
ID9: Sign on to your checking account
ID5: Your Account Information is Ready to View
ID3: Did you forget your [Bank Name] Online username or password?
ID10: Check your account balance online, anytime
ID6: Check your account balance online, anytime. Sign on now.
ID12: Don't forget to access your [Bank Name] account online
ID7: Sign on to your [Bank Name] checking account ID8: It's easy to log-in to your [Bank Name] account online
ID11: Easily manage your accounts in one place with [Bank Name] Online
ID13: Save time managing your money with [Bank Name] Online
ID4: Manage your money more effectively with [Bank Name] Online
ID2: Save Time by Paying Your Bills Online
Open30.77%30.70%28.49%28.21%26.97%25.23%25.21%24.43%21.26%20.44%19.32%19.27%16.53%
Experiment eme = rv(of+i) – (f+a)
# Subject Line Tested
ID1: [Name], Your Account Information is Ready To View ID9: Sign on to your checking account ID5: Your Account Information is Ready to View
ID3: Did you forget your [Bank Name] Online username or password?
ID10: Check your account balance online, anytime ID6: Check your account balance online, anytime. Sign on now.
ID12: Don't forget to access your [Bank Name] account online ID7: Sign on to your [Bank Name] checking account
ID8: It's easy to log-in to your [Bank Name] account online ID11: Easily manage your accounts in one place with [Bank Name] Online
ID13: Save time managing your money with [Bank Name] Online ID4: Manage your money more effectively with [Bank Name] Online
ID2: Save Time by Paying Your Bills Online
Experiment eme = rv(of+i) – (f+a)
Open30.77%30.70%28.49%28.21%26.97%25.23%25.21%24.43%21.26%20.44%19.32%19.27%16.53%
Click4.59%4.44%4.40%4.34%3.84%3.64%3.59%3.47%2.90%1.94%1.70%1.54%1.05%
Live OptimizationEmail Messaging Effectiveness
Partner ID: The New York TimesLocation: MarketingExperiments Research LibraryTest Protocol Number: TP2802�
Background: Internationally recognized news service known for their journalism.
Our Goal: To significantly increase subscriptions.
Primary research question: Which email will generate the greatest subscription rate?
Approach: A/B split test (variable cluster)
Live Optimization eme = rv(of+i) – (f+a)
The Subscription Product Offering
A subscription to the NY Times• Home delivery of the Print edition• Unlimited, unrestricted access to articles
online, in their smartphone and tablet apps• Free digital access for one family member or
friend• Subscriber only special offers, discounts,
invitations
Incentive
• 50% off for the first 12 weeks
Live Optimization eme = rv(of+i) – (f+a)
The List
THE CONTROLSubject Line:
Open this now for Special Savings
BEFORE AFTER
62% Increase in Conversions The treatment increased the subscription conversion rate by 62.1%
Email +Subject Line
Open Rate* % Rel. Change Click
Rate* % Rel. Change Conv. Rate* % Rel. Change
Control 13.50% -- 0.67% -- .008% --
Treatment 15.60% 15.5% 1.01% 50.7% .013% 62.1%99% 96%99%
*Note: Absolute data points are anonymized, relative differences are actual
ReviewEmail Messaging Effectiveness
Perceived Cost
rvof
ifa
Perceived Value
eme = rv(of + i) – (f + a) ©
Pay attention to the change in the mind; not the change in the content
Review
• There’s a story behind everything that’s bought. This occurs on two levels: internal and external
• It is important to distinguish the difference between the product offer and the click-through offer.
• Consider the use of artificial urgency as an incentive to take action
• Aggravation in email messaging can occur on two levels: length and difficulty
• The natural level of concern in email is strong; do not try to mitigate it rationally.
Review
F Key Principles
eme = rv(of+i) – (f+a)
DAN ARIELY NOAH GOLDSTEIN
MECLABS.com/Email
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