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
| Question | Best 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.
Connect GA4
Add data, choose Google Analytics, and pick your property or the demo account.
Add scorecards
Add sessions, key events, and revenue with a previous period comparison.
Add a channel chart
Add a bar chart of key events by session default channel group.
Add a trend line
Add a line chart of sessions by date.
Quick quiz
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.