A numeric keyboard helps postal entry, but type number can discard leading zeros.
Autofill and appropriate checkout keyboards
Use standard field semantics so browsers can assist with name, email and address. Avoid unnecessary custom inputs.
Research context: Baymard · Required and optional fields ↗
Postal codes are text with numeric inputmode in this Norwegian example. Other markets may use letters.
Try the pattern
Task and expected result
- 01
Check name, email, street-address and postal-code on fields.
- 02
Enter 0001: retain all four digits.
- 03
Test your autofill and correct one field without resetting others.
How to investigate value
Measure confirmed, deduplicated outcomes per eligible checkout start. Define paid orders and accepted credit orders separately.
Watch for side effects
Payment errors, duplicate orders, incorrect totals, unclear arrival dates and discount cost. A pay click is only an attempt.
This is a proposed investigation, not a measured result. Choose one hypothesis and define the audience before testing.
Build a measurement plan for this concept ↗