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Conversion

A conversion is a valuable action a visitor takes on your site, such as a purchase, a booking, a form submission or a phone call. In Google Analytics 4 these are tracked as key events.

Traffic is a means to an end. A conversion is the end: a visitor does something that matters to the business. What counts depends on the business:

  • Coastline Plumbing: a phone call, a quote request form, an online booking
  • Brightside Dental: an appointment request, a call, a new-patient form download
  • Bean & Barrel Coffee: a purchase, a subscription sign-up, a newsletter sign-up

Some are macro conversions (a sale, a booked job) and some are micro conversions (a newsletter sign-up, a click on the phone number) that suggest someone is moving toward buying.

How conversions are tracked

In Google Analytics 4, every action is an event, and the ones that matter most are marked as key events. (Google renamed “conversions” to key events in GA4 in 2024, and now uses “conversions” mainly for Google Ads.) Common setups:

  • A form submission event, or a view of the thank-you page after a form
  • A click on a tel: link, as a stand-in for phone calls
  • A purchase event from the ecommerce platform, with order value
  • A booking confirmation from a scheduling tool

Call tracking services can measure actual calls, including from people who dial the number rather than tapping it.

Why it matters for SEO

Conversions turn SEO from “we got more traffic” into “we got more customers”. They also change priorities. Brightside Dental’s analytics show the teeth whitening page converts 6% of organic visitors into appointment requests, while the general blog converts 0.3%. Moving the whitening page from position 7 to position 3 is worth far more than doubling blog traffic.

Conversion rate (conversions divided by sessions) shows how well a page turns visitors into leads. A page with good traffic and a poor conversion rate may need a clearer call to action, a visible phone number on mobile, trust signals, or a shorter form.

Common mistakes

  • No tracking set up, so SEO is judged on traffic alone
  • Counting every click as a conversion, which inflates numbers and hides real results
  • Ignoring phone calls, often the main conversion for local service businesses
  • Crediting only last click. Organic search often starts the journey even when the final visit is direct

How to report it

RankThat’s Reports feature drafts monthly SEO reports in plain English, including calls, clicks and rankings, with fair comparisons, for you to review and approve before anyone sees them. Track conversions alongside organic traffic and engagement rate to see the full picture.

Do this month’s SEO in an afternoon.