Here are some suggestions to improve clarity based on the checklist: - Emphasize the main point: "Don't Miss Out: Puzzler Promotion" - Use precise qualifiers: "Limited Time Offer - 24 Hours Only" - Simple language: "Special Deal on Puzzlers - Click for Details" - Concise wording: "Puzzler Deal Ends Tomorrow - Click for Savings" Let me know if any of those work better or if you need help revising further! The goal is a clear message that motivates clicking the link.

1. Subject Lines Tested:
How to write subject lines that double your clickthrough rate

2. #webclinic

3. Join the conversation on Twitter
#webclinic
#webclinic

4. Today’s team
Dr. Flint McGlaughlin Ashley Hanania
Managing Director Research Manager
Daniel Burstein
Director of
Editorial Content
#webclinic

5. Experiment: Background
 Experiment ID: Audience Subject Line Test
Location: MarketingExperiments Research Library
Research Notes:
Background: Copyblogger and MarketingExperiments Blog audiences
competed in writing high-performing subject lines. Three subject lines were
chosen from each audience.
Goal: To increase clickthrough rate
Primary Research Question: Which email subject line will generate the
highest clickthrough rate?
Approach: A/B split test
#webclinic

6. Experiment: Design
Subject Lines Email (Same body copy) Landing Page
Subject Line T1
Subject Line T2
Subject Line T3
Subject Line T4
Subject Line T5
Subject Line T6
6
#webclinic

7. Experiment: Email Copy
Top of Email
#webclinic

8. Experiment: Email Copy
Bottom of Email
#webclinic

9. Experiment: Treatments
Copyblogger MarketingExperiments Blog
Subject Lines Subject Lines
Treatment #4:
Treatment #1: [Optimization Summit] 3 Days to a
Quarterbacks aren’t the only Better Website ($300 Off Coupon
changes being tested in Denver Inside!)
Treatment #2: Treatment #5:
A scientific way to increase your Learn 3 Tips that made 10,000
conversions landing pages extremely successful
Treatment #3: Treatment #3:
Do your landing pages pass this Optimization Summit 2012 --
test? Speaker’s List Up Now! + Save $300
Today
#webclinic

10. Experiment: Results
106% Increase in Clickthrough Rate
Treatment #3 generated a 105.9% higher clickthrough than treatment #1
Subject Lines CTR Rel. diff Stat. Conf
T1 – Quarterbacks aren’t the only changes
0.32% - -
being tested in Denver
T2 – A scientific way to increase your
0.51% 57.9% 99%
conversions
T3 – Do your landing pages pass this test? 0.73% 105.9% 99%
T4 – [Optimization Summit] 3 Days to a Better
0.37% 14.8% 69%
Website ($300 Off Coupon Inside)
T5 – Learn 3 tips that made 10,000 landing
0.66% 105.2% 99%
pages extremely successful
T6 - Optimization Summit 2012 – Speakers List
0.40% 24.9% 90%
Up Now! + Save $300 Today
#webclinic

11. Experiment: Results
106% Increase in Clickthrough Rate
Treatment #3 generated a 105.9% higher clickthrough than treatment #1
Subject Lines CTR Rel. diff Stat. Conf
T1 – Quarterbacks aren’t the only changes
0.32% - -
being tested in Denver
T2 – A scientific way to increase your
0.51% 57.9% 99%
conversions
T3 – Do your landing pages pass this test? 0.73% 105.9% 99%
T4 – [Optimization Summit] 3 Days to a Better
 the process, treatmentlanding
0.37% 14.8% 69%
Website ($300 Off Coupon Inside)
What you need to understand: By clarifying the value of the next steps in
T5 – Learn 3 tips that made 10,000 #3 generated a 106% higher clickthrough rate than
0.66% 105.2% 99%
treatment #1.
pages extremely successful
T6 - Optimization Summit 2012 – Speakers List
0.40% 24.9% 90%
Up Now! + Save $300 Today
#webclinic

12. So you think you have a good lead gen page?
Enter your landing page at
MarketingExperiments.com/LandingPageContest
for a chance to win:
LPO Online Course
LPO Benchmark Report
12
#webclinic

13. SECTION 1: The purpose of a subject line
13
#webclinic

14. What We Learned
F Key Principles
a. Simply getting the viewer’s attention with a subject line will not
produce a significant result. We must understand the functional
purpose of our subject line: converting attention into interest.
14
#webclinic

15. Converting Attention into Interest
Getting Attention
Subject Line
Building Interest
Image
Button
15
#webclinic

16. Attention-getting Subject Lines
Not this …
Quarterbacks aren’t the only changes Attention captured with Tim
being tested in Denver Tebow reference
[Optimization Summit] 3 Days to a Attention captured with
Better Website ($300 Off Coupon brackets and parentheses
Inside)
16
#webclinic

17. Interest-building Subject Lines
... but this
Learn 3 tips that made 10,000 Attention converted into
landing pages extremely successful interest with “Learn 3 tips”
Do your landing pages pass this test? Attention converted into
interest with “pass this test?”
17
#webclinic

18. SECTION 2: The connection between subject lines
and value propositions
18
#webclinic

19. What We Learned
F Key Principles
a. Simply getting the viewer’s attention with a subject line will not
produce a significant result. We must understand the functional
purpose of our subject line: converting attention into interest.
b. To build interest, we must understand the connection between our
subject line and our value proposition.
19
#webclinic

20. Process-level Value Proposition
PROCESS-LEVEL
Question: Why should your ideal prospect buy
PRODUCT-LEVEL from you rather than any of your competitors?
PRODUCT
PRODUCT
#1 #1
Question: Why should [PROSPECT A] buy from
PRODUCT PRODUCT
#2 #2 you rather than any of your competitors?
PROSPECT-LEVEL
Question: Why should [PROSPECT A] buy this
PRODUCT
PRODUCT
#3 product rather than any other product?
#3
Primary
Value
Proposition Question: Why should [PROSPECT A] click this PPC ad
PRODUCT
PRODUCT rather than any other PPC ad?
#4
#4
Prospect B
PRODUCT
PRODUCT #4
#1
1
PRODUCT PRODUCT
#2 #3
2
3 Conversion steps
associated with a
specific product Learn more here:
bit.ly/VPSpectrum
#webclinic

21. Learn More Here:
Process-level Value Proposition bit.ly/InvertedFunnel
The process-level value proposition is the reason
they should progress in the micro-decision
funnel to the next step. (U)YES
Sales Call
(M)YES
(M)YES
(M)YES
Landing Page
(M)YES
Business Software Suite
(M)YES
#1 On-Demand. 6459+ World Clients
Award-Winning Solution. Free Trial
www.XXXXXXXXXX.com/Business
PPC Ad (M)YES
21
#webclinic

22. Process-level Value Proposition
Button Example
VISITOR’S MIND
Value
Cost
Submit
V-
22
#webclinic

23. Process-level Value Proposition
Button Example
VISITOR’S MIND
Cost Value
Submit Click Here
V- VØ
23
#webclinic

24. Process-level Value Proposition
Button Example
VISITOR’S MIND
Cost
Value
Submit Click Here Get Free Access
V- VØ V+
24
#webclinic

25. Process-level Value Proposition
Subject Line Example
VISITOR’S MIND
Value
Cost
No Castles in
the air for you
V-
25
#webclinic

26. Process-level Value Proposition
Subject Line Example
VISITOR’S MIND
Cost Value
No Castles in Mobile can help
the air for you manage your money
V- VØ
26
#webclinic

27. Process-level Value Proposition
Subject Line Example
VISITOR’S MIND
Cost
Value
No Castles in Mobile can help Enjoy Over 2,000
the air for you manage your money Internet TV Channels!
V- VØ V+
27
#webclinic

28. Process-level Value Proposition
Inbox Example Inbox Screenshot
Which would
? you open first?
28
#webclinic

29. Value Proposition Session at Optimization Summit
Learn about value
proposition with Dr.
Flint McGlaughlin at
the pre-Summit
Workshop in
Denver.
MECLABS.com/
OptSummit
29
#webclinic

30. SECTION 3: The checklist for maximizing the
force of a subject line
30
#webclinic

31. What We Learned
F Key Principles
a. Simply getting the viewer’s attention with a subject line will not
produce a significant result. We must understand the functional
purpose of our subject line: converting attention into interest.
b. To build interest, we must understand the connection between our
subject line and our value proposition.
c. To intensify the force of the process-level value proposition in our
subject lines, we can employ a useful set of research-based criteria …
31
#webclinic

32. ? How can I consistently write subject lines
that double my projected clickthrough rate?
32
#webclinic

33. To help us write effective subject lines, we developed
this four-part checklist of elements that impact the
force of a subject line’s process-level value proposition.
33
#webclinic

34. ITEM #1: Is It Clear?
34
#webclinic

35. ITEM #1: Is It Clear?
Is the main point emphasized?
For the ideal prospect to act on the process-level value proposition of
your subject line, they must first comprehend the intended message.
To ensure they understand, we can utilize the following clarity checklist:
 Is the main point emphasized?
35
#webclinic

36. ITEM #1: Is It Clear?
Is the main point emphasized?
To emphasize the main point in any subject line, we must utilize point-
sensitivity
By making our subject lines point-first or point-last, we utilize the
psychological principles of primacy and recency.
Not this … (point middle)
Optimization Summit 2012 – Speakers List Up Now!
+ Save $300 Today
… but this (point last)
66%
IN CLICKTHROUGH
Do Your Landing Pages Pass This Test?
36
#webclinic

37. ITEM #1: Is It Clear?
Is the main point emphasized?
To emphasize the main point in any subject line, we must utilize point-
sensitivity
By making our subject lines point-first or point-last, we utilize the
psychological principles of primacy and recency.
Not this … (point middle)
[Optimization Summit] 3 Days to a Better Website
($300 Off Coupon Inside)
… but this (point first)
70%
IN CLICKTHROUGH
Learn 3 tips that made 10,000 landing pages
extremely successful
37
#webclinic

38. ITEM #1: Is It Clear?
Is the main point emphasized?
For the ideal prospect to act on the process-level value proposition of
your subject line, they must first comprehend the intended message.
To ensure they understand, we can utilize the following clarity checklist:
 Is the main point emphasized?
 Are the qualifiers precise?
38
#webclinic

39. ITEM #1: Is It Clear?
Are the qualifiers precise?
Precise qualifiers help to cement the value of the subject line into the mind
of the customer.
Not this …
[Optimization Summit] 3 Days to a Better Website
($300 Off Coupon Inside!)
… but this
37%
IN CLICKTHROUGH
A scientific way to increase your conversions.
39
#webclinic

40. ITEM #1: Is It Clear?
Are the qualifiers precise?
Precise qualifiers help to cement the value of the subject line into the mind
of the customer.
Not this …
Ernie, A Special Offer for REAL SIMPLE readers*
… but this
Get An Instant AdWords Performance Report
(It's On Us)*
*Live Optimization Submissions
#webclinic

41. ITEM #1: Is It Clear?
Is the language simple?
For the ideal prospect to act on the process-level value proposition of
your subject line, they must first comprehend the intended message.
To ensure they understand, we can utilize the following clarity checklist:
 Is the main point emphasized?
 Are the qualifiers precise?
 Is the language simple?
41
#webclinic

42. ITEM #1: Is It Clear?
Is the language simple?
For maximum clarity, we must use words that can be instantly
understood by our ideal prospect.
Not this …
No Castles in the air for you…*
… but this
Pop-culture reference that 30% Of Physicians Are At Risk - Don't
is not widely known Wait Until It's Too Late!*
*Live Optimization Submissions
#webclinic

43. ITEM #1: Is It Clear?
Is the language simple?
For maximum clarity, we must use words that can be instantly
understood by our ideal prospect.
Not this …
Turn your iPads into clickers
with LanSchool*
… but this
“Clickers” should be replaced Don't Forget Mom! – Free Mother’s
with “remotes” Day Shipping*
*Live Optimization Submissions
#webclinic

44. ITEM #1: Is It Clear?
Is the wording concise?
For the ideal prospect to act on the process-level value proposition of
your subject line, they must first comprehend the intended message.
To ensure they understand, we can utilize the following clarity checklist:
 Is the main point emphasized?
 Are the qualifiers precise?
 Is the language simple?
 Is the wording concise?
44
#webclinic

45. ITEM #1: Is It Clear?
Is the wording concise?
Concise wording is critical to producing clarity in the minds of our
customers. It is important that we use the correct amount of words — no
more, no less.
Not this …
Our gift to you -- FREE Shipping or No Service Charges
… but this
21%
IN CLICKTHROUGH
Free Shipping or No Service Charge!
Limited time offer!
45
#webclinic

46. ITEM #1: Is It Clear?
Is the wording concise?
Concise wording is critical to producing clarity in the minds of our
customers. It is important that we use the correct amount of words — no
more, no less.
Not this …
Quarterbacks aren't the only changes being tested in Denver
… but this
Too many words
Denver’s testing more than quarterbacks
46
#webclinic

47. ITEM #1: Is It Clear?
Is the wording concise?
Concise wording is critical to producing clarity in the minds of our
customers. It is important that we use the correct amount of words — no
more, no less.
Not this …
Denver’s testing quarterbacks…
… but this
Too few words
Denver’s testing more than quarterbacks
47
#webclinic

48. ITEM #1: Is It Clear?
For the ideal prospect to act on the process-level value proposition of
your subject line, they must first comprehend the intended message.
To ensure they understand, we can utilize the following clarity checklist:
 Is the main point emphasized?
 Are the qualifiers precise?
 Is the language simple?
 Is the wording concise?
48
#webclinic

49. ITEM #1: Is It Clear? Live Optimization
Subject Line:
No Castles in the air for you
Audience:
Distributors of the products
Objective:
Get recipients to click the link to
the PuzzlerPromo
http://bit.ly/thebestintest
#webclinic

50. ITEM #2: Is It Appealing?
50
#webclinic

51. ITEM #2: Is It Appealing?
Is the message relevant?
For the ideal prospect to act on the process-level value proposition of
your subject line, they must find the offer appealing.
To ensure appeal, we can utilize the following checklist:
 Is the message relevant?
51
#webclinic

52. ITEM #2: Is It Appealing?
Is the message relevant?
Irrelevant messaging
Not this …
Quarterbacks aren't the only changes being tested in Denver
… but this
A scientific way to increase your conversions.
57%
IN CLICKTHROUGH
52
#webclinic

53. ITEM #2: Is It Appealing?
Is the message relevant?
Not this …
Quarterbacks aren't the only changes being tested in Denver
… but this
Do your landing pages pass this test?
106%
IN CLICKTHROUGH
53
#webclinic

54. ITEM #2: Is It Appealing?
Is the desire urgent?
For the ideal prospect to act on the process-level value proposition of
your subject line, they must find the offer appealing.
To ensure appeal, we can utilize the following checklist:
 Is the message relevant?
 Is the desire urgent?
54
#webclinic

55. ITEM #2: Is It Appealing?
Is the desire urgent?
Suggests other (easier)
ways to increase your
conversions
Not this …
A scientific way to increase your conversions
Suggests a simpler
standard to judge your
landing pages with
31%
IN CLICKTHROUGH
… but this
Do your landing pages pass this test?
55
#webclinic

56. ITEM #2: Is It Appealing?
Is the desire urgent?
If the audience can watch it
On-Demand, there is less
Not this … reason to click now
Vote for the Next TrainSignal Webinar | Register
and Watch On-Demand*
… but this
Upcoming Webinar - Virgin Atlantic
reveals its 7 secrets to e-Invoicing success*
A big brand revealing secrets
in an upcoming webinar
invokes a higher sense of
urgency
*Live Optimization Submissions
#webclinic

57. ITEM #2: Is It Appealing?
Is the issue important?
For the ideal prospect to act on the process-level value proposition of
your subject line, they must find the offer appealing.
To ensure appeal, we can utilize the following checklist:
 Is the message relevant?
 Is the desire urgent?
 Is the issue important?
57
#webclinic

58. ITEM #2: Is It Appealing?
Is the issue important?
People don’t listen to speakers,
people listen to people
Not this …
Optimization Summit 2012 – Speakers List Now Up! + Save $300 Today
The issue of successful landing
pages is important to marketers
… but this
Learn 3 tips that made 10,000
31%
IN CLICKTHROUGH
landing pages extremely successful
58
#webclinic

59. ITEM #2: Is It Appealing?
Is the issue important?
So what?
Not this …
Mobile can help manage your money*
… but this
Aspirin therapy pros and cons, 7 myths
about calcium & vitamin D, lentil salad*
Pertinent information related to
my health and well-being
*Live Optimization Submissions
#webclinic

60. ITEM #2: Is It Appealing?
For the ideal prospect to act on the process-level value proposition of
your subject line, they must find the offer appealing.
To ensure appeal, we can utilize the following checklist:
 Is the message relevant?
 Is the desire urgent?
 Is the issue important?
60
#webclinic

61. ITEM #2: Is It Appealing? Live Optimization
Subject Line:
Vote for the Next TrainSignal
Webinar | Register and Watch
On-Demand
Audience:
IT Professionals, previous
TrainSignal customers, previous
webinar participants
Objective:
To get recipients to vote for a
preferred webinar topic
http://bit.ly/trainsignalemail
61
#webclinic

62. ITEM #2: Is It Appealing? Live Optimization
Is the message relevant?
Subject Line:
Mary Potter Hospice Invites
"Name" to take the $100
Challenge
Audience:
Business owners in same
geographical area as Mary Potter
Hospice
Objective:
To get recipients to click on “Take
the Challenge”
http://bit.ly/hospicechallenge
62
#webclinic

63. ITEM #3: Is It Exclusive?
63
#webclinic

64. ITEM #3: Is It Exclusive?
Is the only-factor apparent?
For the ideal prospect to act on the process-level value proposition of
your subject line, they must know the offer is exclusive.
To ensure exclusivity, we can utilize the following checklist:
 Is the only-factor apparent?
64
#webclinic

65. ITEM #3: Is It Exclusive?
Is the only-factor apparent?
Suggests other (easier) ways
to increase your conversions
Not this …
A scientific way to increase your conversions The specific numbers
imply an only-factor
… but this
Learn 3 tips that made 10,000 landing pages
24%
IN CLICKTHROUGH
extremely successful
65
#webclinic

66. ITEM #3: Is It Exclusive?
Is the only-factor apparent?
Does not imply an only-factor
Not this …
Merchant Account with REBATE*
… but this
Upcoming Webinar - Virgin Atlantic reveals its
7 secrets to e-Invoicing success*
Virgin brand revealing secrets
implies an exclusive news scoop
*Live Optimization Submissions
#webclinic

67. ITEM #3: Is It Exclusive?
Is the brand familiar?
For the ideal prospect to act on the process-level value proposition of
your subject line, they must know the offer is exclusive.
To ensure exclusivity, we can utilize the following checklist:
 Is the only-factor apparent?
 Is the brand familiar?
67
#webclinic

68. ITEM #3: Is It Exclusive?
Is the brand familiar?
Not this …
Exclusive First Look at New Products, Brand included in subject
Technology, and More
… but this
IADC 2011 - Exclusive First Look at New
8%
IN CLICKTHROUGH
Products, Technology, and More
68
#webclinic

69. ITEM #3: Is It Exclusive?
Is the brand familiar?
For the ideal prospect to act on the process-level value proposition of
your subject line, they must know the offer is exclusive.
To ensure exclusivity, we can utilize the following checklist:
 Is the only-factor apparent?
 Is the brand familiar?
69
#webclinic

70. ITEM #3: Is It Exclusive?
Live Optimization
Subject Line:
Learn how to improve your
establishment’s web presence
Audience:
Small Business Restaurant and
Bar Owners
Objective:
To get recipients to click on the http://bit.ly/establishmentspresence
“Get Started Now!” button
70
#webclinic

71. ITEM #3: Is It Exclusive? Live Optimization
Is the only-factor apparent
Subject Line:
Enjoy Over 2,000 Internet TV
Channels!
Audience:
Consumers 60+ years old, more
rural than urban
Objective:
Click the “Internet TV/Radio USB
Stick” link
http://bit.ly/harrietcarteremal
#webclinic

72. ITEM #4: Is It Credible?
72
#webclinic

73. ITEM #4: Is It Credible?
Is the promise believable?
For the ideal prospect to act on the process-level value proposition of
your subject line, they must believe the offer is legitimate.
To ensure credibility, we can utilize the following checklist:
 Is the promise believable?
73
#webclinic

74. ITEM #4: Is It Credible?
Is the promise believable?
This is likely NOT a gift,
and it undercuts the
credibility of the offer
Not this … that follows
Our gift to you -- FREE Shipping or No Service Charges
… but this
Free Shipping or No Service Charge!
21%
IN CLICKTHROUGH
Limited time offer!
The stand alone offer of “Free
shipping or No Service Charge” is
more credible
74
#webclinic

75. ITEM #4: Is It Credible?
Is the promise believable?
Use of fear tactics without
qualifying information causes
unbelief … At risk for what?
Not this …
30% Of Physicians Are At Risk - Don't Wait
Until It's Too Late!*
… but this
Aspirin therapy pros and cons, 7 myths about
calcium & vitamin D, lentil salad*
Pros and cons of aspirin therapy
implies a balanced piece of useful
content
*Live Optimization Submissions
#webclinic

76. ITEM #4: Is It Credible?
For the ideal prospect to act on the process-level value proposition of
your subject line, they must believe the offer is legitimate.
To ensure credibility, we can utilize the following checklist:
 Is the promise believable?
 Is the tone appropriate?
76
#webclinic

77. ITEM #4: Is It Credible?
Is the tone appropriate?
Email sent to MarketingExperiments
readers accustomed to science-
Not this … based messaging
Quarterbacks aren’t the only changes being
tested in Denver…
… but this
A scientific way to increase your conversions
57%
IN CLICKTHROUGH
77
#webclinic

78. ITEM #4: Is It Credible?
Is the tone appropriate?
Email sent to MarketingSherpa
readers accustomed to straight-
Not this … forward messaging
If Alfred Hitchcock wrote emails, could he grow
an audience by 300%?
… but this
25%
IN CLICKTHROUGH
How Blockbuster Express grew its email list 300%
78
#webclinic

79. ITEM #4: Is It Credible?
For the ideal prospect to act on the process-level value proposition of
your subject line, they must believe the offer is legitimate.
To ensure credibility, we can utilize the following checklist:
 Is the promise believable?
 Is the tone appropriate?
 Is the value specific?
79
#webclinic

80. ITEM #4: Is It Credible?
Is the value specific? Very little specificity
Not this …
Quarterbacks aren't the only changes being tested in Denver
… but this
Do your landing pages pass this test?
106%
IN CLICKTHROUGH
The specificity in “this test”
credibly implies a test in the email
to judge a landing page
80
#webclinic

81. ITEM #4: Is It Credible?
Is the value specific?
Very little specificity
Not this …
Won't Mom Be Delighted!*
10 easy steps with
Microsoft 2010
… but this
Design Your Own eBook Cover in 10 Easy
Steps With Microsoft 2010*
*Live Optimization Submissions
#webclinic

82. ITEM #4: Is It Credible?
For the ideal prospect to act on the process-level value proposition of
your subject line, they must believe the offer is legitimate.
To ensure credibility, we can utilize the following checklist:
 Is the promise believable?
 Is the tone appropriate?
 Is the value specific?
82
#webclinic

83. ITEM #4: Is It Credible? Live Optimization
Subject Line:
Won't Mom Be Delighted!
Audience:
Married couples 35+ with no
children
Objective:
To get recipients to “Shop Now”
http://bit.ly/Jhhzjq
83
#webclinic

84. Summary: Putting it all together
F Key Principles
a. Simply getting the viewer’s attention with a subject line will not
produce a significant result. We must understand the functional
purpose of our subject line: converting attention into interest.
b. To build interest, we must understand the connection between our
subject line and our value proposition.
c. To intensify the force of the process-level value proposition in our
subject lines, we can employ a useful set of research-based criteria …
84
#webclinic

85. Summary: Putting it all together
 ITEM #1: Is It Clear?  ITEM #3: Is It Exclusive?
 Is the point emphasized?  Is the only-factor apparent?
 Are the qualifiers precise?  Is the brand familiar?
 Is the language simple?
 Is the wording concise?
 ITEM #2: Is It Appealing?  ITEM #4: Is It Credible?
 Is the message relevant?  Is the promise believable?
 Is the desire urgent?  Is the tone appropriate?
 Is the issue important?  Is the value specific?
85
#webclinic

86. #webclinic