12: Repeated Testing

• You need to have an interesting point to make it worthwhile.
• Your most interesting point should be the last thing you say in your story.
• Keep it short.
• Keep it personal. People prefer stories about people they know.
• The more you ...

Things like differences in your competitors' marketing strategies, political change, or a variety of other variables can make it difficult to directly compare the results of A/B tests.

As a result, sometimes it can be hard to know if a particular A/B testing variant succeeded (or failed) be...

Optimizely studied & reported on the factors that defined the world’s best testing companies. 

The 4 biggest factors were:

1. Testing the things that drive the most revenue
2. Testing every change
3. Testing to solve real problems
4. Testing multiple variants simultan...