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GA4 Key Events Explained: Marking the Actions That Matter to Your Business

Which website actions matter most to your business? In Google Analytics, an important measured action can be marked as a key event.

Jersey Web video: Which action really matters?

1:47 · No narration: the video shows each step as text on screen, and every step is written out below, with buttons that jump the video to it.

Download the on-screen text track (VTT)

The six points in the video

This is a silent video. The headings, explanations and labels below reproduce the information on screen.

  1. Step 1: Start with the business action

    Choose a useful outcome such as a completed enquiry or purchase.

    On-screen labels: Customer action; Business relevance; Clear definition.

  2. Step 2: Identify the matching event

    The underlying event must measure the intended interaction.

    On-screen labels: Existing event; Correct trigger; Defined action.

  3. Step 3: Mark it as a key event

    Use the property settings and the appropriate account permission.

    On-screen labels: Property setting; Suitable access; Key-event status.

  4. Step 4: Check the counting method

    Understand how repeated occurrences are counted in the report.

    On-screen labels: Counting setting; Repeated actions; Report interpretation.

  5. Step 5: Verify it with a real test

    Confirm that the intended completion creates the expected measurement.

    On-screen labels: Controlled test; Expected event; Correct parameters.

  6. Step 6: Keep advertising terms clear

    Google Ads conversions have a related role and separate reporting context.

    On-screen labels: Analytics key event; Ads conversion; Relevant report.

A practical check for your business

Agree which recorded actions matter to the business and review how they are configured. Check a real example in the reporting setup rather than assuming every event or key event is an advertising conversion.

Sources and further detail

See it in a diagram

A measurement diagram shows a defined analytics event, marking a business-important event as a key event, and separately configuring an advertising conversion where applicable.
Events, key events and advertising conversions. An event measures an occurrence. A key event marks business importance. Advertising conversion setup has its own reporting context.
Read the diagram as text
  1. Event: Measure a defined occurrence
  2. Key event: Mark an important action
  3. Ads conversion: Configure for the relevant use

Each step needs the correct setup. Test the underlying action and understand how repeats are counted.

A button click and a successfully completed enquiry are different actions.

Diagram by Jersey Web. Open full size · Source and further detail (opens in a new tab)

Common questions

Which website actions matter most to your business?

In Google Analytics, an important measured action can be marked as a key event. Measure the completed action you actually care about.

Go further

Guide Read the practical guide More context for planning and maintaining your business website. 5 min read → Jargon Buster Conversion tracking explained Read the related Jargon Buster explanation. Read the explanation → Jargon Buster Key event explained Read the related Jargon Buster explanation. Read the explanation →

Measure the completed action you actually care about.

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