Personalized messaging and CTA copy on a retail banking sign-up page

Jan 13, 2026

Two experiments that show how personalizing who sees what, and choosing the right words for the right moment, impact how many visitors make the purchase.

  • WHO: Digital, CRO & growth teams  
  • INDUSTRY: Retail Banking  
  • IMPACTED PAGES: Sign-up page, Homepage 

Experiment 1: Personalizing messaging for current customers and prospects using CMAB

Hypothesis: If we personalize messaging for current customers and prospects using CMAB, then account sign-ups will increase, because each group receives content tailored to their needs and motivations. 

Demo form testImage source: Optimizely

Results:

  • +12% Increase in traffic to bank account pages 
  • +$450K Incremental customer value 

Takeaways:

  1. Personalized recommendations for existing customers drove a 12% increase in traffic to account pages.
  2. Prospects exposed to the benefits of becoming a customer generated $450K in incremental customer value. 

Experiment 2: CTA copy test — "start accessing your cash now" vs "sign up for free"

Hypothesis: Changing the CTA language from "sign up for free" to "start accessing your cash now" will drive motivation and create a consistent message related to the product outcome.

Fewer form field testImage source: Optimizely

Results:

  • +43% Increase in CTA clicks 
  • +68% Increase in desktop CTA clicks 

Takeaways:

  1. People prefer the language "start accessing your cash now" vs "sign up for free."
  2. Language that highlighted the value proposition in a more direct manner resonated more with users. 


What does this specific person need to hear right now? 

The Experimentation Planning Agent builds complete test plans from a hypothesis, with metrics, guardrails, and estimated run times, so your next messaging or personalization experiment is designed to produce a conclusive result rather than an inconclusive one. 

 

Test everything

Find experimentation, personalization, and A/B testing examples across industries so you can test, optimize, and improve your website and mobile app pages.