A prompts users clearly and visibly to take a next step. Typical examples are buttons or links with text such as "Start free trial", "Book a demo" or "Get in touch".
Good CTAs are:
- clearly worded and action-oriented,
- visually easy to spot,
- placed to match the content and the stage of the user journey.
CTAs are a central element of conversion optimisation, because they guide visitors from passive reading to a concrete action. From a technical perspective, it matters that a CTA leading to another page is implemented as a real link (<a href>) and not just a JavaScript button. Otherwise crawlers may not be able to follow the path, and value is lost.