What Is Conversion Rate Optimization (CRO)?
By Subhash Kulangara, Founder and CEO, Sayus Consultancy Services · Published Conversion Rate Optimization (CRO) is improving a website or landing page so a larger share of visitors take the action that matters, such as an enquiry, a booking or a purchase. At Sayus it runs in the Velocity phase, side by side with paid campaigns.
Why improve conversion before buying more traffic?
Doubling traffic to a page that converts poorly doubles the waste. The arithmetic works the other way too: if a page's conversion rate rises from 1% to 2%, the same ad budget brings twice the enquiries. Conversion improvements also make every other channel more valuable, because search, social and email visitors land on the same pages.
What is the leak map?
We follow a visitor's path through four stages and look for where people drop out. Each stage has its own typical leaks.
- Arrive: an ad promises one thing and the page talks about another; the page loads slowly on a phone.
- Understand: a vague headline, too many competing messages, the price or offer hidden.
- Trust: no reviews, no examples of work, no clear business details.
- Act: a long form, a button below the fold, no WhatsApp or call option for people who prefer it.
How do you test honestly?
- Change one main thing at a time, so you know what caused the difference.
- Decide the measure before the test starts, such as enquiries rather than clicks.
- Run whole weeks, because weekday and weekend visitors behave differently.
- Wait for enough conversions. A test with only a handful of conversions per version can't tell you much; a difference that size is often chance.
- Keep a record of every test and its result, including the ones that lost.
What if the website doesn't get much traffic?
Formal A/B testing needs volume. For smaller sites we use methods that need less of it: watching anonymised visitor recordings, asking recent customers what nearly stopped them, checking where people drop out of a form, and making careful one-at-a-time changes while watching the trend. These find most of the big leaks without a statistics tool.
How we apply it on sayus.in. Our checkout is tracked step by step: starting checkout and adding payment details are separate events in Google Analytics 4. That shows exactly which step people leave at, rather than only how many finish.
How does CRO feed back into the website?
Landing pages are where we learn fastest, because paid traffic arrives in predictable volumes. When a headline, layout or form wins there, it usually belongs on the main website too. So winning patterns are carried back into the Foundation phase, the same way our UI/UX work is designed to be revised.
Where does it sit in the method?
CRO is half of the Velocity phase, working hand in hand with performance marketing: ads bring the visitors, CRO makes sure they're worth bringing.
Quick answers
What is a conversion rate?
The share of visitors who complete a chosen action. If 1,000 people visit a page and 20 send an enquiry, the conversion rate is 2%.
What is a good conversion rate?
It depends heavily on the industry, the offer, where the traffic comes from and what counts as a conversion. Compare a page with its own past performance rather than with someone else's average.
Can a small website do CRO?
Yes, but not always with formal A/B tests. With little traffic, use visitor recordings, customer conversations and careful before-and-after changes, and keep formal tests for pages with enough visits.
What should I improve first?
The biggest leak on the most-visited page that leads to money. Usually that is the headline, the offer or the form.
Keep reading
- Why Does Performance Marketing Matter, and When Should You Start?
- What Is Performance Marketing, and When Should You Start Ads?
- Next phase, Intelligence: Why Do Marketing Measurement and Strategy Matter?
- The whole phase: Phase 4, Velocity
- The big picture: Why Every Business Needs All Five Phases of Online Growth