Nearly every product starts with a sign up page and they have a huge impact on revenue, a 10% drop in people signing up successfully is a 10% drop in revenue.
We have collected some data backed falsehoods that we have come across for sign up pages.
User identifiers and input
Asking for more information is always better
- Hubspot has a great study showing the impact of each additional input
One account maps to one person
Accounts can represent a whole company, a family or another group of people
Up to 45% of accounts are shared
B2B is not immune with 34% of people admitting to sharing accounts with colleagues
Emails are always prefilled
- 34% of signups have their email prefilled
Phone numbers are always prefilled
- 17% of signups have their phone number prefilled
Users always save the password
- Logins are only prefilled 45% of the time
Users won't forget/lose their passwords
Users always enter their email correctly
0.5-1.0% of email addresses are typoed
- Fun fact Yahoo emails are typoed twice as often as Gmail
Emails will always be valid
Emails will always be owned by the user
All signups are from a person
- We have observed hundreds of accounts created in a single day by just one automated system
Free email addresses aren't used for B2B
You need to ask for password confirmation
Third party logins
Everyone has a third party account (eg. Google, Facebook or Apple)
People who have a third party account will always login via the button rather than email
Third party logins have lower conversion rates
- Auth0 saw increased a 20% increase in conversation rates from using third party logins
Verification & abuse
Emails will be verified on the same device the user signed up from
Blocking emails with "+" in them will solve trial or signup abuse
0.04% of all signups using email include a +
2.9% of multi-accounting attempts are done using a "+" email
Blocking disposable emails will solve trial or signup abuse
- The vast majority of multi-accounting is done using multiple regular free email accounts
Blocking free email accounts will solve trial or signup abuse
- Not only does this send away a lot of legitimate customers, most people conducting trial or signup abuse have access to at least one non-free account
.edu addresses guarantee the person is a student or teacher
.student.edu or similar addresses guarantee the person is currently a student
We would love to hear any suggestions to add to the list in the comments on Hacker News or feel free to send us suggestions via contact us.