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A call to action, or CTA, is the bit of a page that asks the visitor to do something. Most of the time it’s a button, but it can also be a text link, a form or a banner.
On a B2B SaaS website, CTAs are where interest becomes pipeline. Everything else on the page exists to make that one click feel like the obvious next step.
Why calls to action matter for conversion
A page can be clear, fast and good-looking and still convert badly if the next step is vague. Visitors won’t go looking for it.
A strong CTA does three jobs at once:
- Tells people what happens. “Book a demo” is clearer than “Get started”, which could mean anything.
- Matches where they are. A first-time visitor may not be ready for a sales call, but might take a free trial or a product tour.
- Stands out from everything else. Colour, size and space around the button tell the eye where to land.
When any of those are off, people hesitate. Hesitation on a SaaS site usually means a closed tab.
Types of CTA on a SaaS website
Different CTAs ask for different levels of commitment. Most sites need more than one type, placed where each makes sense.
| CTA type | Example copy | Commitment |
|---|---|---|
| Demo request | “Book a demo” | High: a meeting with sales |
| Free trial or signup | “Start free trial” | Medium: an account and some setup |
| Product tour | “Take the tour” | Low: an interactive demo or video |
| Content offer | “Get the guide” | Low: an email address for a lead magnet |
| Contact | “Talk to us” | Varies: often a form or chat |
A common pattern pairs a high-commitment primary CTA with a low-commitment secondary one. The buyer who is ready can act, and the buyer who isn’t still has somewhere to go.
Primary CTA vs secondary CTA
The primary CTA is the action that matters most to the business. It gets the strongest styling: a filled button in your accent colour.
The secondary CTA is the fallback. It is usually an outlined button or a text link, so it never competes with the primary one.
If both buttons look the same, you’ve made the visitor choose between two equal options. Many will choose neither. Good visual hierarchy makes the choice for them.
How to write a CTA that gets clicked
Start with a verb, and make the verb specific. “Start”, “Book”, “See” and “Get” all describe an action the reader can picture.
Then add what they get, if there’s room. “Start free trial” beats “Sign up” because it answers the question “what am I signing up for?”
A few more rules that hold up well:
- Keep it short. Two to five words is the usual range on a button.
- Use the reader’s words. “Get my report” can feel more personal than “Get your report”. Test it rather than assume.
- Reduce the fear. A line of microcopy under the button, like “No credit card needed”, answers the doubt before it stops the click.
- Repeat it. On a long page, bring the same primary CTA back after key sections and at the end.
Common CTA mistakes
- Generic labels. “Submit”, “Learn more” and “Click here” say nothing about the result.
- Too many choices. A hero with three equal buttons spreads attention thin. Pick one main action.
- Asking too much too soon. A demo request is a big ask for someone who found you two minutes ago. Offer a lighter option alongside it.
- Low contrast. A button the same colour as the background, or a ghost button as the main CTA, is easy to miss.
- A broken promise after the click. If “Start free trial” leads to a sales form, people feel tricked and leave.
- Tiny tap targets. On mobile, buttons need to be big enough to hit with a thumb.
Fix these first. Then A/B test the wording and placement one change at a time, so you know which change made the difference.