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Best Practices and
Lessons Learned from
Dan Siroker
Co-Founder & CEO
A/B Tests223,628
Wednesday, June 5, 13
‘05
‘06
‘07
‘08
’09
’10
Wednesday, June 5, 13
Wednesday, June 5, 13
Wednesday, June 5, 13
Lessons Learned
Wednesday, June 5, 13
1.
2. Less is more. Reduce choices.
3. Words matter. Focus on your call
to action.
4. Seek the global maximum.
5. Fail fast.
6. Start today.
Lessons Learned
Define quantifiable success metrics.
Wednesday, June 5, 13
Lesson #1:
Define quantifiable success metrics.
Wednesday, June 5, 13
Visit
visitors
per day
Wednesday, June 5, 13
Visit
visitors
per day
Email
sign up
rate
Wednesday, June 5, 13
Visit
visitors
per day
Email
sign up
rate
$
$ per
recipient
Wednesday, June 5, 13
Visit Email $
sign up
rate
$ per
recipient
visitors
per day
Wednesday, June 5, 13
Media
Button
Wednesday, June 5, 13
Button:
1. Sign Up
2. Learn More
3. Join Us Now
4. Sign Up Now
Media:
1. Get Involved Image
2. Family Image
3. Change Image
4. Barack’s Video
5. Springfield Video
6. Sam’s Video
Splash page experiment
Variations:
Wednesday, June 5, 13
Button: “Sign Up”
Wednesday, June 5, 13
Button: “Learn More”
Wednesday, June 5, 13
Button: “Join Us Now”
Wednesday, June 5, 13
Button: “Sign Up Now”
Wednesday, June 5, 13
Button:
1. Sign Up
2. Learn More
3. Join Us Now
4. Sign Up Now
Media:
1. Get Involved Image
2. Family Image
3. Change Image
4. Barack’s Video
5. Springfield Video
6. Sam’s Video
Variations:
Splash page experiment
Wednesday, June 5, 13
Media: “Get Involved”
Wednesday, June 5, 13
Media: “Family”
Wednesday, June 5, 13
Media: “Change”
Wednesday, June 5, 13
Media: “Barack’s Video”
Wednesday, June 5, 13
Media: “Springfield Video”
Wednesday, June 5, 13
Media: “Sam’s Video”
Wednesday, June 5, 13
Button:
1. Sign Up
2. Learn More
3. Join Us Now
4. Sign Up Now
Media:
1. Get Involved Image
2. Family Image
3. Change Image
4. Barack’s Video
5. Springfield Video
6. Sam’s Video
Variations:
Splash page experiment
Wednesday, June 5, 13
Button:
1. Sign Up
2. Learn More
3. Join Us Now
4. Sign Up Now
Media:
1. Get Involved Image
2. Family Image
3. Change Image
4. Barack’s Video
5. Springfield Video
6. Sam’s Video
Variations:
Splash page experiment
Wednesday, June 5, 13
Button:
1. Sign Up
2. Learn More
3. Join Us Now
4. Sign Up Now
Media:
1. Get Involved Image
2. Family Image
3. Change Image
4. Barack’s Video
5. Springfield Video
6. Sam’s Video
Variations:
Splash page experiment
Wednesday, June 5, 13
Wednesday, June 5, 13
Wednesday, June 5, 13
Wednesday, June 5, 13
Email
Subscriptions
Volunteers
Amount
Raised
Original: 7,120,000 712,000 $143,000,000
+40.6% +2,880,000 +288,000 +$57,000,000
New: 10,000,000 1,000,000 $200,000,000
Splash page experiment
Wednesday, June 5, 13
Email
Subscriptions
Volunteers
Amount
Raised
Original: 7,120,000 712,000 $143,000,000
+40.6% +2,880,000 +288,000 +$57,000,000
New: 10,000,000 1,000,000 $200,000,000
Splash page experiment
Wednesday, June 5, 13
Email
Subscriptions
Volunteers
Amount
Raised
Original: 7,120,000 712,000 $143,000,000
+40.6% +2,880,000 +288,000 +$57,000,000
New: 10,000,000 1,000,000 $200,000,000
Splash page experiment
Wednesday, June 5, 13
Lesson #1:
Define quantifiable success metrics.
Wednesday, June 5, 13
Lesson #2:
Less is more. Reduce choices.
Wednesday, June 5, 13
vs.
Wednesday, June 5, 13
vs.
+15% conversion rate
+10% $ per visitor
Wednesday, June 5, 13
vs.
Wednesday, June 5, 13
vs.
+8%
engagement
Wednesday, June 5, 13
vs.
Wednesday, June 5, 13
vs.
+16.8%
$ per
visitor
Wednesday, June 5, 13
v.
Wednesday, June 5, 13
v.
+14.8%
conversion rate
Wednesday, June 5, 13
v.
Wednesday, June 5, 13
v.
Wednesday, June 5, 13
Lesson #2:
Less is more. Reduce choices.
Wednesday, June 5, 13
Lesson #3:
Words matter. Focus on your call to action.
Wednesday, June 5, 13
Donation button experiment
Variations
Wednesday, June 5, 13
Never
Signed Up
Signed Up,
Never
Donated
Previously
Donated
0.0% 0.0% 0.0%
+2.3% +27.8% +16.3%
-27.8% N/A N/A
+15.2% -24.6% +11.9%
+8.5% +2.9% +18.4%
Donation button experiment
Variations
Wednesday, June 5, 13
vs.
Wednesday, June 5, 13
vs.
+14.6%
clicks
Wednesday, June 5, 13
vs.
Wednesday, June 5, 13
vs.
+15.75%
$ per
visitor
Wednesday, June 5, 13
Lesson #3:
Words matter. Focus on your call to action.
Wednesday, June 5, 13
Lesson #4:
Seek the global maximum.
Wednesday, June 5, 13
Source: http://blog.intercom.io/criticism-and-two-way-streets/
Wednesday, June 5, 13
vs.
Wednesday, June 5, 13
vs.
Comments: http://blog.netflix.com/2011/06/new-look-and-feel-for-netflix-website.html
Wednesday, June 5, 13
vs.
+0.5% retention
+1.4% engagement
Comments: http://blog.netflix.com/2011/06/new-look-and-feel-for-netflix-website.html
Wednesday, June 5, 13
vs.
Wednesday, June 5, 13
vs.
+600%
engagement
Wednesday, June 5, 13
vs.
Wednesday, June 5, 13
vs.
+49% conversion
rate from 240 A/B
tests
Wednesday, June 5, 13
Lesson #4:
Seek the global maximum.
Wednesday, June 5, 13
Lesson #5:
Fail fast.
Wednesday, June 5, 13
vs.
Wednesday, June 5, 13
vs.
-92.3%
video
clicks
Wednesday, June 5, 13
vs.
Wednesday, June 5, 13
vs.
-10% conversions
Wednesday, June 5, 13
vs.
Wednesday, June 5, 13
vs.
fewer
conversions
Wednesday, June 5, 13
Lesson #5:
Fail fast.
Wednesday, June 5, 13
Lesson #6:
Start today.
Wednesday, June 5, 13
Wednesday, June 5, 13
Wednesday, June 5, 13
Source: http://techcrunch.com/2013/04/10/optimizely-series-a/
Wednesday, June 5, 13
Source: http://techcrunch.com/2013/04/10/optimizely-series-a/
Wednesday, June 5, 13
4,000+ Happy Customers!
Wednesday, June 5, 13
Lesson #6:
Start today.
Wednesday, June 5, 13
1. Define quantifiable success metrics.
2. Less is more. Reduce choices.
3. Words matter. Focus on your call to
action.
4. Seek the global maximum.
5. Fail fast.
6. Start today.
Lessons Learned
Wednesday, June 5, 13
The Future of Optimization
Wednesday, June 5, 13
The Future of Optimization
What’s the best experience
for the average user?
One to Many
Wednesday, June 5, 13
The Future of Optimization
What’s the best experience
for the average user?
One to Many One to Few
What’s the best experience
for segments of users?
Wednesday, June 5, 13
The Future of Optimization
What’s the best experience
for the average user?
One to Many One to Few
What’s the best experience
for segments of users?
One to One
What’s the best experience
for each user?
Wednesday, June 5, 13
One to Many
Wednesday, June 5, 13
One to Few
Wednesday, June 5, 13
One to One
Wednesday, June 5, 13
One to One
Wednesday, June 5, 13
One to One
Wednesday, June 5, 13
One to One
Wednesday, June 5, 13
One to One
Wednesday, June 5, 13
One to One
Wednesday, June 5, 13
One to One
Wednesday, June 5, 13
Best Practices and
Lessons Learned from
Dan Siroker
Co-Founder & CEO
A/B Tests223,628
Wednesday, June 5, 13
Appendix
Wednesday, June 5, 13
Wednesday, June 5, 13
Ad

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Best Practices & Lessons Learned From Over 223,628 A/B Tests

Editor's Notes

  • #58: Adding tax hurt performance