Conversion

Website Conversion Optimization: A Complete Beginner Guide

The discipline from the ground up: what a conversion is, the tracking to set up first, how to choose what to fix, and how to read a result honestly.

Website Conversion Optimization: A Complete Beginner Guide

What conversion optimization actually is

Conversion optimization, often shortened to CRO, is the practice of increasing the share of visitors who do the thing a page exists for. It is not a bag of tricks. It is a loop: measure what happens, find where people drop off, change one thing for a reason, and measure again.

If you already know your site is underperforming and want to find the cause, why your website is not converting is the diagnostic version. This guide is the foundation underneath it: the setup, the vocabulary and the habits.

The words you will hear

TermPlain meaning
ConversionThe action a page is built for: an enquiry, a sign-up, a purchase
Conversion rateConversions divided by visitors, for a page or a period
Micro conversionA smaller step toward the main one, such as a pricing page view
FunnelThe sequence of pages or steps people pass through before converting
Drop-offThe point in that sequence where people leave
BaselineYour numbers before a change, so you can tell what the change did
TestA controlled change, ideally with a comparison group

Step 1: Decide what a conversion is

Every page needs one primary conversion. For a service business it is usually an enquiry or a booked call. For software, a trial or a demo. For a shop, a purchase. Write it down per page type, because a blog post and a pricing page should not be judged by the same number.

Then list the micro conversions that lead to it: viewing pricing, reading a case study, starting a form. These tell you where interest is building or dying.

Step 2: Set up tracking you can trust

Before changing anything, make sure the numbers are real.

  1. Track the primary action as an event. A form submission, a completed checkout, a booked call confirmed by the calendar tool, not just a click on a button.
  2. Track the micro conversions. Pricing views, case study reads, form starts.
  3. Separate by device and by source. Averages hide the story. Phone and desktop, paid and organic, behave differently.
  4. Test the tracking. Submit your own form and check it appears. Broken tracking is the most common reason people think a change failed.
  5. Record the baseline. Two to four weeks of normal data before the first change.

Step 3: Find where people leave

Look for the biggest drop between two steps. If many people see the pricing page and few start the form, the pricing page is the problem. If few people ever reach pricing, the problem is earlier.

Three sources help:

  • Analytics. Paths, drop-offs, device splits.
  • Session recordings and heatmaps. Where people scroll, hesitate and rage-click. Watch twenty sessions and patterns appear fast.
  • Asking people. A one-question survey on exit, or five conversations with recent customers about what nearly stopped them.

Step 4: Choose what to fix first

You will find more problems than you can fix. Score each candidate simply:

QuestionScore 1 to 3
How many visitors does it affect?Reach
How big is the likely effect?Impact
How easy is it to change?Effort, reversed

Start with high reach, high impact, low effort. In practice that is usually the headline, the call to action, proof placement and the form, which is why those appear in almost every audit. What each of those should look like is in landing page structure that actually converts and hero section design.

Step 5: Make a change you can learn from

  • One change at a time on the page you are measuring. Two changes together teach you nothing about either.
  • Write the hypothesis first. "Moving the client logos above the fold will increase form starts, because visitors currently leave before seeing any proof." If you cannot write the because, you are guessing.
  • Give it enough time and traffic. A few days is rarely enough. Run it for at least two full weeks so weekday and weekend behaviour both count.
  • Judge on the primary conversion, not on clicks or time on page.

Step 6: Read the result honestly

  • A small change on low traffic will look like noise. That is not failure, it means the test could not tell.
  • A big jump in the first days usually settles down. Wait.
  • If a change wins, keep it and move to the next item. If it loses, you learned something about your visitors, which is the point.
  • Keep a simple log: date, change, hypothesis, result. Six months later it is the most valuable document your marketing team owns.

When there is too little traffic to test

Many business sites do not have the traffic for formal testing. That is fine. Make bigger, well-reasoned structural changes, judge them on enquiry quality and sales conversations, and use recordings and customer interviews instead of statistics. Most of the gains on smaller sites come from clarity rather than from testing button colours.

If you would rather hand the whole loop to someone, that is our website optimization service, and the bigger version of the same thinking is laid out in how to turn your website into a high converting sales machine.

Frequently asked questions

What is a good conversion rate for a website?

There is no universal answer, because offer, price and traffic differ so much. Compare your site against its own baseline and trend rather than against published averages.

Which tools do I need to start?

Analytics with event tracking, a heatmap and recording tool, and a spreadsheet for your change log. Formal testing software can wait until you have the traffic for it.

How long should a test run?

At least two full weeks, and longer on lower traffic. Stopping a test early because it looks good is the most common way to fool yourself.

Is conversion optimization only for ecommerce?

No. Any site with a desired action, an enquiry, a booking, a sign-up, can use the same loop.

Can I optimise and redesign at the same time?

You can, but you will not know which part helped. Take a baseline before the redesign, launch, then optimise the new site one change at a time. To decide between the two, run the redesign tests first.

Rahat Khondokar, founder of Amariq

Rahat Khondokar

Founder & CEO, Amariq

Rahat designs and builds websites for marketing teams and ecommerce brands, and writes here about the structure, copy and conversion work behind them. More about Amariq. Find him on YouTube, Dribbble and LinkedIn.

Keep reading

Related articles.

All articles