What is wrong with a generic button?
"Submit" or "Learn more" hides the next step. The visitor cannot tell what they will get or how long it takes.
Score a call to action and get three clearer variants you can A/B test.
Illustration: "Submit" names no outcome. A clearer variant is "Book a 20-minute workflow review," which names the action and what the visitor receives. The CTA analyzer can rank that kind of difference. It does not know which variant will win on your page.
"Submit" or "Learn more" hides the next step. The visitor cannot tell what they will get or how long it takes.
One challenger against the current line. More than that, changed at the same time as the headline, will not teach you which edit mattered.
No. The score reflects the checks. Your test measures the rate.