Last Updated: 17 September 2026

20 GA4 Metrics & Digital Marketing Data Points You Need to Monitor

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20 GA4 Metrics & Digital Marketing Data Points You Need to Monitor
Joey TrumanWritten ByJoey Truman

Joey is our Senior Analytics Expert and is responsible for rolling out GA4 across our client portfolios. Joey helps businesses take control of their website analytics, providing them with the tools to understand their visitors. and ensure they're doing everything they can to convert them into customers.

Data-driven decision-making is no longer a luxury in 2025 – it’s the oxygen of growth in competitive digital economies. With GA4, AI-driven analytics dashboards, predictive modeling, and privacy-centric tracking now defining the future, understanding what to measure and why is essential for marketers and data analysts seeking maximum ROI.

Following are 20 must-have website analytics KPIs – refreshed for GA4 nomenclature, optimized for 2025 trends, and augmented with business impact understanding.

Website Traffic & User Engagement Metrics

1. Sessions: Track the total number of visits to your website. A dip in sessions could indicate a need for improved SEO or marketing efforts.

2. Users: Identify unique visitors to understand your reach.

3. Pageviews: Measure the total number of pages viewed – a high number suggests good navigation, but a low average time on page might indicate a lack of engaging content.

4. Bounce Rate: The percentage of visitors who leave after viewing just one page. A high bounce rate suggests your website isn’t capturing attention – address it with clear calls to action or more relevant landing pages.

5. Average Time on Page: Shows how long users are engaged with your content. Aim for longer times on key pages like product descriptions or blog posts.

Content Performance

6. Organic Traffic: Visitors who arrive from search engines. Track which keywords drive the most traffic and optimise your content accordingly.

7. Top Performing Content: Identify the content that resonates most with your audience. Is it a specific blog post, infographic, or video? Replicate successful formats and topics.

8. Social Media Engagement: Track likes, shares, comments, and mentions across platforms. High engagement suggests your content is sparking conversation and building brand awareness.

Lead Generation and Sales

9. Conversion Rate: The percentage of visitors who take a desired action, like signing up for a newsletter or making a purchase. A low conversion rate might necessitate revisiting your call to action or checkout process.

10. Cost per Lead (CPL): The cost of acquiring a new lead through marketing efforts. Knowing your CPL helps you assess marketing campaign effectiveness.

11. Customer Acquisition Cost (CAC): The total cost of acquiring a new customer. Track this alongside your customer lifetime value (CLTV) to ensure profitability.

12. Average Order Value (AOV): The average amount spent per order. Strategies to increase AOV could include product bundling or upselling.

Social Media Insights

13. Follower Growth: Track your follower count across platforms to measure audience acquisition.

14. Reach: The number of unique users who see your content. Aim to increase reach to maximise brand exposure.

15. Impressions: The total number of times your content is displayed, regardless of user interaction. Monitor impressions to understand content visibility.

Email Marketing

16. Open Rate: The percentage of recipients who open your emails. A low open rate suggests a need for more captivating subject lines or audience segmentation.

17. Click-Through Rate (CTR): The percentage of email recipients who click on a link within your email. A low CTR might indicate irrelevant content or unclear calls to action.

18. Unsubscribe Rate: The number of people who unsubscribe from your email list. A high unsubscribe rate suggests a need to improve email content or frequency.

Additional Considerations

19. Customer Satisfaction Score (CSAT): Gauges customer satisfaction through surveys or reviews. A high CSAT indicates a positive customer experience.

20. Net Promoter Score (NPS): Measures customer loyalty by asking how likely they are to recommend your brand to others. A high NPS indicates a strong brand reputation.

  • Predictive Analytics — Utilize AI models to predict churn, CLTV, and revenue trends.
  • Privacy-First Tracking — Evolve for cookieless analytics and server-side tracking.
  • Integrated Dashboards — Bring together GA4, CRM, and ad platform data for end-to-end decision-making.

In Summary…

Remember, data is just the first step. By analysing these key metrics and taking action based on your findings, you can continuously optimise your online presence and achieve your digital goals. As marketing guru Peter Drucker famously said,

You can’t improve what you can’t measure.” So, get out there, start measuring these data points, and watch your online success soar!

Get in touch with us and request a data audit today.

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