What Is a Visitor? Visitors vs Sessions

Quick Definition

A visitor is a person who comes to your online store, whether they buy anything or not. Analytics tools usually spot visitors by a cookie in their browser, so one person on two devices can count as two. Each visitor can make several visits, called sessions. Some tools say users or unique visitors instead.

Visitor, Session or Customer?

People mix these three up, but each counts something different.

Visitor: the person, as your tools see them. In practice, that's one browser.
Session: one visit. A visitor who comes back three times makes three sessions.
Customer: someone who placed an order. Most visitors never become one.

One Shopper, Three Trips to a Candle Store

Priya taps a candle store's ad on her phone on Monday. She finds the store again on her laptop Wednesday. On Friday she's back on the laptop and buys a $36 candle set.

The store's reports show 3 sessions, 2 visitors (phone and laptop) and 1 customer with 1 order. That's two visitors for what was really one shopper.

Why Visitors Sit Under Every Store Rate

Most store math puts visitors or sessions at the bottom of the fraction. Conversion rate is orders divided by one of them, and revenue per visitor is sales divided by visitors. If the visitor count is off, every rate built on it is off too.

Most visitors leave without buying. In our data from 958 Shopify stores and 24M visitors, only about 8 in 100 sessions reached the cart, and the average conversion rate was 2.2%. For why people leave and how to spot likely buyers, see our Shopify visitor intelligence guide.

Our app, Growth Suite, reads what each visitor does to predict purchase intent, then shows time-limited offers only to the visitors less likely to buy. It's built on the split between dedicated buyers and walk-away customers.

Where Shopify Counts Your Visitors

Shopify's Analytics builds the online store conversion rate on sessions, not visitors. It's the share of sessions that ended in an order. You can break sessions down by traffic source, device and location too.

Google Analytics calls visitors users, and its numbers rarely line up with Shopify's. Each tool counts visits its own way.

A Visitor Count Isn't a Head Count

It's tempting to read 10,000 visitors as 10,000 people, but it isn't. One person on a phone and a laptop counts twice. If someone clears cookies or browses in a private window, they look new every time, and a few bots can still slip past the filters. These gaps also blur the line between new and returning visitors. So use visitor numbers to watch trends over time, not as an exact count of shoppers.