Google Analytics 4 (GA4) is Google’s free website analytics platform that replaced Universal Analytics (UA) in July 2023. GA4 tracks user behaviour across websites and apps using an event-based data model. It is free for all users and is the primary free analytics tool for most websites in 2026. For a detailed comparison, see our guide to Mixpanel vs Amplitude. For a detailed comparison, see our guide to SEMrush vs Google Analytics.
What GA4 Tracks
- Traffic sources: Where your visitors come from — organic search, social media, direct, email, paid ads
- User behaviour: Which pages users visit, how long they stay, what they click
- Conversions: Goals you define — form submissions, purchases, sign-ups
- User demographics: Location, device, browser, language
- E-commerce data: Revenue, transaction data, product performance
- Engagement metrics: Engaged sessions, engagement rate, average engagement time
GA4 vs Universal Analytics — Key Differences
| Feature | Universal Analytics (discontinued) | GA4 (current) |
|---|---|---|
| Data model | Session-based | Event-based |
| Bounce rate | Yes — standard metric | Replaced by Engagement Rate |
| Cross-device tracking | Limited | Better — unified user journey |
| App tracking | Separate Firebase | Combined web + app in one property |
| Data retention | Up to 50 months | 2-14 months (14 months max free) |
| Privacy compliance | Basic | Better GDPR/CCPA features |
GA4 vs Paid Analytics Tools
GA4 is free and covers website traffic, acquisition, and basic conversion tracking. Paid tools like Mixpanel ($28/month), Amplitude (free to $61/month), and Heap cover product analytics — in-app event tracking and user behaviour within a product or app. For marketing and SEO analytics, GA4 is sufficient and free. For product analytics (user flows within your app or SaaS product), Mixpanel or Amplitude provide deeper analysis.
How to Set Up GA4
- Create a Google Analytics account at analytics.google.com
- Create a GA4 Property for your website
- Add the GA4 tracking code to your website (via Google Tag Manager is recommended)
- Set up key events/conversions for your goals (form submissions, purchases, sign-ups)
- Link GA4 to Google Search Console for keyword data
- Wait 24-48 hours for data to appear
Frequently Asked Questions
Is Google Analytics 4 free?
Yes. GA4 is permanently free for all website owners. Google Analytics 360 (the enterprise version) is paid but most businesses never need it. The free version of GA4 supports unlimited data collection with up to 14 months of data retention.
Is GA4 better than Universal Analytics?
GA4 is more privacy-compliant and better at cross-device tracking. Universal Analytics was simpler for many users — GA4 has a steeper learning curve and different metrics. For most users, GA4 is more powerful once learned, but the transition from UA was frustrating due to the changed metric definitions and interface.
Do I need Google Analytics if I have Search Console?
They serve different purposes. Google Search Console shows how your site performs in Google search — impressions, clicks, and keyword rankings. Google Analytics 4 shows what users do on your site — traffic sources, page behaviour, and conversions. Both are free and you should have both installed. They complement each other and can be linked.
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Who It’s Best For
Google Analytics 4 (GA4) is an ideal tool for a variety of users, ranging from small businesses to large enterprises. It is particularly beneficial for digital marketers, data analysts, and e-commerce businesses looking to optimize their online presence. GA4’s versatile capabilities make it suitable for organizations that prioritize data-driven decision-making. Additionally, businesses that are focused on improving customer engagement and understanding user behavior will find GA4’s advanced features invaluable.
Startups and small businesses can leverage GA4 to gain insights into their website traffic and user interactions without the need for extensive resources. The user-friendly interface and straightforward reporting features make it accessible for those who may not have a background in analytics. Meanwhile, larger companies with complex data needs can benefit from GA4’s robust data collection and integration capabilities, allowing them to track user journeys across multiple platforms and devices.
Key Things to Consider
Before transitioning to Google Analytics 4, there are several key factors to consider. Firstly, businesses should evaluate their current analytics setup and determine how GA4’s event-based tracking differs from the session-based model used in Universal Analytics. Understanding these differences is crucial for effectively utilizing GA4’s features and ensuring data continuity.
Another important consideration is the learning curve associated with GA4. While the platform offers advanced tools and insights, users may need to invest time in training and familiarization. Exploring the various resources available, such as Google’s official documentation, webinars, and community forums, can help ease this transition.
Additionally, organizations should assess their data privacy policies and compliance with regulations such as GDPR. GA4 offers enhanced privacy controls, but businesses must ensure they are properly configured to meet legal requirements. Finally, consider the integration capabilities with other tools and platforms, as GA4 can work seamlessly with Google Ads, Search Console, and various CRM systems, enhancing the overall marketing ecosystem.
Final Verdict
In conclusion, Google Analytics 4 represents a significant evolution in web analytics, providing enhanced capabilities for measuring user behavior and engagement across multiple platforms. With its focus on event-driven data collection and machine learning insights, GA4 equips businesses with the tools they need to make informed decisions and optimize their marketing strategies.
While the transition from Universal Analytics to GA4 may present challenges, the benefits of adopting this new platform far outweigh the drawbacks. By understanding its features, considering key factors, and tailoring its use to specific business needs, organizations can unlock valuable insights that drive growth and improve user experiences. Whether you’re a small startup or a large corporation, GA4 offers a comprehensive solution for tracking performance in today’s digital landscape.
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