# Going live

> Keep several versions side by side, and put the site online.

The site works on your machine. This module puts it in front of readers — and
keeps it right as the product moves.

<Columns>
  <Column>
    <Skill name="Difficulty" level={70} showValue={false}>
      Advanced — both previous modules help.
    </Skill>
  </Column>
  <Column>
    <Skill name="Time" level={35} showValue={false}>
      About forty minutes.
    </Skill>
  </Column>
</Columns>

## The lessons

<Cards />