> For the complete documentation index, see [llms.txt](https://webstrategies-inc.gitbook.io/ga4-resource-center/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://webstrategies-inc.gitbook.io/ga4-resource-center/ga4-topics/ga4-topics.md).

# GA4 Topics

This is a collection of articles and guides written by well known Analytics gurus and thought-leaders in the industry. Each piece of content covers a common question relating to GA4.

<table data-header-hidden data-full-width="false"><thead><tr><th width="578" data-type="content-ref"></th><th data-hidden data-type="content-ref"></th><th data-hidden data-type="content-ref"></th><th data-hidden></th><th data-hidden></th><th data-hidden></th><th data-hidden data-type="content-ref"></th></tr></thead><tbody><tr><td><a href="/ga4-resource-center/ga4-topics/ga4-topics/what-are-the-differences-between-ga3-sessions-and-ga4-sessions.md">What are the differences between GA3 Sessions and GA4 Sessions</a></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/ga4-resource-center/ga4-topics/ga4-topics/making-sense-of-event-parameters-in-ga4.md">Making sense of Event Parameters in GA4</a></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/ga4-resource-center/ga4-topics/ga4-topics/comparing-metrics-from-ua-ga4.md">Comparing metrics from UA→GA4</a></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/ga4-resource-center/ga4-topics/ga4-topics/bounce-rate-in-ga4.md">Bounce Rate in GA4</a></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/ga4-resource-center/ga4-topics/ga4-topics/what-is-a-session-and-how-is-it-calculated-in-ga4.md">What is a Session and How is it Calculated in GA4?</a></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/ga4-resource-center/ga4-topics/ga4-topics/how-to-track-custom-events-with-ga-4.md">How to Track Custom Events with GA 4</a></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/ga4-resource-center/ga4-topics/ga4-topics/8-tips-to-avoid-other-and-cardinality-issues-in-ga4.md">8 Tips to Avoid (other) and Cardinality Issues in GA4</a></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/ga4-resource-center/ga4-topics/ga4-topics/what-is-unassigned-in-google-analytics-4.md">What is Unassigned in Google Analytics 4?</a></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/ga4-resource-center/ga4-topics/ga4-topics/the-ultimate-guide-to-ga4-realtime-report-2023.md">The Ultimate Guide to GA4 Realtime Report (2023)</a></td><td></td><td></td><td></td><td></td><td></td><td></td></tr></tbody></table>