Add "it's free" in signup/order buttons. This experiment adds these words beside all your sign up buttons. You can customize this text if your page is not in English.
These two magic words 'it's free' usually have a big impact on conversions
This is important because visitors' first assumption of any product/service online is that they will have to take out their credit card and pay for it.
The purpose of this experiment is to remind visitors early on that they will not have to pay anything and can get started quickly in a few minutes.
Without changing anything else on your page, and just adding the magical words “it’s free” beside your button increased conversions from 14.5% to 18.6% — an increase of 28%!
Real World Example:
Webflow is a rapidly growing website builder that competes against giants such as Wordpress. Webflow uses "- it's free" on its front-page in order to encourage visitors to get started.