After recent story about github ban: https://news.ycombinator.com/item?id=33917962 anything that asks for more that email is a instant 'close tab and never return' for me. And even before, there is no way I am allowing any site to access may date of birth (despite it being fake one anyway)
And going back to "autocomplete" - it looks that browsers "know better" than developers: https://stackoverflow.com/questions/12374442/chrome-ignores-...