Improve Your Billing Form’s UX In One Day – Smashing Magazine
A few straightforward steps for improving the usability of credit card forms. The later steps involve JavaScript but the first step uses nothing more than straight-up HTML.
Link tags: creditcards
2
The ‘Credit Card Number’ Field Must Allow and Auto-Format Spaces (80% Don’t) - Articles - Baymard Institute
A deep dive into formatting credit card numbers with spaces in online forms.