97
HOW, WHEN, EXAMPLES & PITTFALLS Lean Conference November 17 th - Manchester Ton Wesseling CEO Testing.Agency A/B-testing

Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

Embed Size (px)

DESCRIPTION

A/B-testing is awesome, the holy grail of online visitor knowledge and the base of revenue growth for many companies. Ton Wesseling, Testing Guru, frequently asked CRO speaker and CEO of Testing.Agency has 15 years of online optimization experience and will share the following insights in his talk: How & when to apply testing in your company 10 inspirational A/B-test results 20 pitfalls you will make in A/B-testing if you don't attend this talk

Citation preview

Page 1: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

H O W , W H E N , E X A M P L E S & P I T T F A L L S

L e a n C o n f e r e n c e – N o v e m b e r 1 7 t h - M a n c h e s t e r

To n W e s s e l i n g – C E O – Te s t i n g . A g e n c y

A/B-testing

Page 2: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Manchester

Page 3: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Should I go for City?

Page 4: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Should I go for United?

Page 5: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Manchester

Page 6: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

A/B-test ing

A/B-testing != CRO

Page 7: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

A/B-test ing

CRO != user knowledge

Page 8: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

A/B-test ing

A/B-testing

==

user knowledge

Page 9: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

A/B-test ing

HOW & WHEN

Page 10: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

A/B-test ing

EXAMPLES

Page 11: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

A/B-test ing

PITTFALLS

Page 12: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Ton Wessel ing | @ TonW

More testing

Quality Assurance

Lower pricing

Page 13: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Online Experiments – A/B-test ing

Winner!

Variation B

Variation A

Default

Page 14: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Hyperl ink junky

Page 15: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Digging through log f i les

Page 16: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Trying to improve

Page 17: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Over and over again

Page 18: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

What most start -ups do

Page 19: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

That is:

0 / 1 Testing

Page 20: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Why can this lead to fai lures?

Page 21: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

0/1 Testing: weekly change?

26 out of 44 weeks: over 5% change!

Page 22: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Testing should be l ike:

Page 23: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Scienti f ic approach

A / B Testing

Live Online Research

Page 24: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Experiments

“If you double the number of

experiments you do per year

you’re going to double your

inventiveness”

Jeff Bezos, CEO Amazon – 2004!

Page 25: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Growth l ike AmazonG

erm

an

Ecom

me

rce

mark

et,

thank

you

André

Mory

s

Page 26: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Experiments per year

1000+(but it did not start like that)

Page 27: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Growth curve

Page 28: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Phase 1: test solut ions

Page 29: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Fake adwords test ing

Do they

clickon your idea?

Page 30: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Fake facebook test ing

Do they

likeyour idea?

Page 31: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Fake landing page test ing

Do they

subscribeto your idea?

Page 32: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Make sure i t ’s not

0 / 1 Testing

Page 33: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Once you bridged the gap

Page 34: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

The growth phase!

Page 35: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Duplicate?

Page 36: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

I t ’s the web, i t ’s scalable!

Page 37: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

You need to optimize!

Page 38: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Over and over again

Page 39: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

I t takes many experiments to win

Page 40: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Maximize your test capacity

Time

Conversion%

Page 41: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Speed up – more people

Page 42: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Growth l ike AmazonG

erm

an

Ecom

me

rce

mark

et,

thank

you

André

Mory

s

Page 43: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Real growth

Page 44: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

I t takes heavy experimenting

250+ in a year

Page 45: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Not every experiment is successful

Page 46: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

I t takes a ful l stadium a week for 250+

Page 47: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Or roughly

1000+conversion points

Page 48: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Too slow? Energy wil l run out!

Page 49: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

And you wil l never get this

Page 50: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

You need the real fast paced culture

Page 51: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

How does Bi l l win?

Page 52: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Emotion vs Ratio

Page 53: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Page 54: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Why is your user here?

Page 55: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

How can you

help your user ’s brain

to fullfi l it ’s needs?

Page 56: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

I t ’s not about A/B-test ing

Growth is about learning

how to serve brains!

Page 57: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Testing costs t ime

Use it to LEARN

Page 58: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

FA C T & A C T – 7 s t e p s t o l e a r n

&

TellConcludeAnalyze

TestCreateAnalyzeFind

Page 59: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

N o w : f o c u s o n C TA

Analyze

Test

Create

Page 60: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Create = Data & Psychology

Digital Data Persuasion Psychology

Analyze

&

Experiment

Page 61: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Wheel-of-Persuasion.com

Page 62: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Persuasion on forms

+25% sales

Page 63: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Same technique

Significant more

submits, but..

Less registrations

Page 64: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

A small sentence

+18%

sales

Page 65: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

But also

+10% applications

Page 66: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Motivat ion

Winner

(sales)

Page 67: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Win your own form A/B-test

http://testing.agency/manchester

Page 68: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

And social proof?

Many went before you

In november 1.675

people applied for

a loan at MoneYou.

Winner

(sales)

Page 69: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Chunk your USP’s

+14%

sales

Page 70: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

With learning: Phase 3 becomes easier

Page 71: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Testing becomes user knowledge

ConversionOp miza on MarketResearch

Page 72: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Pitt fal ls

How NOT to test

Page 73: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

A/B-test ing can be

Page 74: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Don’t t rust your A/B-test analyt ics

Page 75: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

I t keeps you away from this fai lure

Page 76: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Enough traff ic & conversions?

Page 77: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Low signif icance levels

Big chance the winner is not a real winner

Page 78: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Low power levels

Big chance a real winner is not recognized

Page 79: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Tested percentage is a spread!

Page 80: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Example test-setup

Page 81: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Average power: 40%

Page 82: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

So:

Page 83: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Another error warning:

You just go and dig unitil you find something

(you will always find something that seems true BUT is

not!)

Page 84: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

OK, results are in

Page 85: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Not signif icant

It’s not a winner, stop

But, it’s does not mean it’s a loser!

Average: 30% of your tests will have winners

Page 86: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

More?

http://ondi.me/contentverve

http://ondi.me/conversionxl

Page 87: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Conclude

Do nothing?or

Re-test?or

Implement?or

Scale?and

Continue or change test roadmap

Page 88: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Knowledge l ibrary: ABtestguide.com

Page 89: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

I t ’s not about A/B-test ing

Growth is about learning

how to serve brains!

Page 90: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

So you wil l get this curve

Page 91: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Growth l ike AmazonG

erm

an

Ecom

me

rce

mark

et,

thank

you

André

Mory

s

Page 92: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

A/B-test ing

HOW & WHEN

Page 93: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

A/B-test ing

EXAMPLES

Page 94: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

A/B-test ing

PITTFALLS

Page 95: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Slides & more

http://testing.agency/manchester

Page 96: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

T o n W e s s e l i n g | @ T o n W # l e a n c o n f M a n c h e s t e r 2 0 1 4

Be l ike Bil l , and win!

Page 97: Leanconf2014 - A/B-testing - How, When, Examples & Pittfalls by Ton Wesseling

H O W , W H E N , E X A M P L E S & P I T T F A L L S

L e a n C o n f e r e n c e – N o v e m b e r 1 7 t h - M a n c h e s t e r

To n W e s s e l i n g – C E O – Te s t i n g . A g e n c y

ht tp : / /testing.agency/manchester