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Glossary › CRO

What Is Conversion Rate Optimization (CRO)?

CRO is the practice of increasing the percentage of website visitors who take a desired action — filling out a contact form, calling, booking an appointment, or making a purchase — without necessarily increasing traffic. It focuses on getting more value from the visitors you already have.

Plain-English Definition

Your conversion rate is the percentage of visitors who do what you want them to do. If 1,000 people visit your site and 20 fill out a contact form, your conversion rate is 2%. CRO is the work of moving that number up — to 3%, 4%, or higher — through changes to your pages, copy, layout, and calls-to-action.

The discipline draws on user behavior data, A/B testing, heatmaps, and design principles. The goal is to find and remove friction — anything that stops a visitor from taking the next step.

Why It Matters

Getting traffic to your site costs time and money — through SEO, ads, or both. CRO determines how much of that investment converts into actual leads and revenue. Doubling your conversion rate has the same effect as doubling your traffic, but typically costs far less.

For service businesses, common CRO improvements include adding a prominent phone number above the fold, shortening contact forms, adding social proof (reviews and photos of real work), improving page load speed, and writing clearer calls-to-action that say exactly what happens next.

Example

A landscaping company gets 800 monthly visitors but only 8 contact form submissions (1%). After A/B testing a revised headline, adding before-and-after project photos, and moving the form above the fold, submissions rise to 20 per month (2.5%). Same traffic, more than double the leads — without spending more on SEO or ads.

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