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All lessons in Digital and Web Analytics Lesson 7.2 of 32

Data visualization and dashboards

Covered here

  • Which chart answers which question
  • Five rules for clear dashboards
  • How to start a dashboard in Looker Studio

Short answer

Choose a chart based on the question: line charts for change over time, bar charts for comparing categories, funnels for drop-off, and scorecards for headline numbers. Good dashboards serve one audience, put key KPIs top-left, label units, and always show a comparison. Looker Studio is a free tool that connects directly to GA4.

Pick the chart for the question

QuestionBest chart
How did this change over time?Line chart
How do categories compare?Bar chart
What share does each part make up?Stacked bar (pie only with 2 to 4 slices)
Where do users drop out?Funnel chart
How do two metrics relate?Scatter plot
What is the headline number?Scorecard with comparison

Dashboard rules

  • Put the most important KPIs top-left.
  • One dashboard, one audience and purpose.
  • Use consistent colors.
  • Label units (₱, %, sessions).
  • Always show a comparison: previous period or target.

Try it: build a one-page dashboard

Step 1 of 5

Open Looker Studio

Go to lookerstudio.google.com and create a blank report.

Quick quiz

1. Which chart best shows change over time?
2. What should every KPI on a dashboard show?

Your action

Key terms

Dashboard
A page of charts that updates with live data.
Scorecard
A single headline number with a comparison.
Line chart
A chart for change over time.
Looker Studio
Google's free dashboard and report builder.

Questions beginners ask

Should I use pie charts?

Sparingly, with 2 to 4 slices. A stacked bar is usually clearer.

Is Looker Studio free?

Yes, and it connects to GA4, Search Console, and Google Sheets.

Related lessons

Want someone to set up your analytics and reporting while you learn? The team at Remar Digital can help.