# GA4 Optimizer > GA4 Optimizer is a free browser extension (Chrome, Edge, Firefox) that adds missing features to the Google Analytics 4 interface — A/B test analysis, date range presets, exit pages, sticky headers, and 14 more tools. A companion extension, GA4 Live Debugger, provides real-time hit inspection, dataLayer monitoring, and tracking validation. Both are 100% local with zero data collection. ## Products - [GA4 Optimizer Overview](https://www.gaoptimizer.com/): Free Chrome/Edge/Firefox extension that adds 18+ missing features to Google Analytics 4 - [GA4 Optimizer Features](https://www.gaoptimizer.com/features/): Full list of all features — A/B test significance, date presets, sticky headers, exit pages, advanced filters, annotations, column totals, 500-row reports, and more - [GA4 Optimizer Documentation](https://www.gaoptimizer.com/documentation/): Setup guides, keyboard shortcuts, configuration, and troubleshooting for every feature - [GA4 Live Debugger](https://www.gaoptimizer.com/ga4-debugger/): Free GA4 debugger extension for Chrome/Edge — real-time hit feed, dataLayer monitoring, consent decoding, sGTM routing detection, block mode, and export - [GA4 Live Debugger Documentation](https://www.gaoptimizer.com/ga4-live-debugger-documentation/): Full usage guide covering hit inspection, DataLayer correlation, diagnostics, Block Mode, Data Dictionary, team sync, and troubleshooting ## Install Links - [Chrome Web Store - GA4 Optimizer](https://chromewebstore.google.com/detail/ga4-optimizer/hlldjkhoepkephgaeifgbelgchncfnjj): Main extension for GA4 interface enhancements - [Chrome Web Store - GA4 Live Debugger](https://chromewebstore.google.com/detail/akkagamamkhledgmhlljcdiodkgeeiob): Companion debugger extension - [Microsoft Edge Add-ons](https://microsoftedge.microsoft.com/addons/detail/ga4-optimizer-analysis-t/ejokbgelaaegbgemjjhgppigoclanomh): GA4 Optimizer for Edge - [Firefox Add-ons](https://addons.mozilla.org/en-US/firefox/addon/ga4-optimizer/): GA4 Optimizer for Firefox ## GA4 Guides - [Best Google Analytics Browser Extensions for GA4](https://www.gaoptimizer.com/blog/best-google-analytics-browser-extensions-ga4/): Ranked list of the 12 best Chrome extensions for GA4 reporting, debugging, and productivity - [Best Google Tag Manager Extensions](https://www.gaoptimizer.com/blog/best-google-tag-manager-extensions/): The 13 best GTM browser extensions for debugging, building, and auditing containers - [How to Fix Sampled Data in GA4 Explorations](https://www.gaoptimizer.com/blog/ga4-sampling-fix/): Why GA4 samples Exploration data and how to force accurate unsampled results - [How to Share Reports in GA4 and Fix Broken Links](https://www.gaoptimizer.com/blog/ga4-missing-permissions-error-share-report-links/): Fix the "Missing permissions" error on shared GA4 report links caused by multi-account logins - [Change Read-Only GA4 Exploration Dates](https://www.gaoptimizer.com/blog/change-read-only-exploration-date/): Override locked date ranges on shared read-only explorations without duplicating - [Missing Exit Rate in GA4](https://www.gaoptimizer.com/blog/how-to-get-exit-rate-in-ga4-reports/): Two methods to get Exit Rate back in GA4 Standard Reports - [Copy Custom Dimensions Between GA4 Properties](https://www.gaoptimizer.com/blog/copy-custom-dimensions-definitions/): Migrate custom dimensions, metrics, and calculated metrics across properties in seconds - [GA4 Custom Dimension (not set) Issue](https://www.gaoptimizer.com/blog/ga4-custom-dimension-not-set-issue/): Three root causes of (not set) values in custom dimensions with fixes for each - [Column Total Percentages in GA4 Explorations](https://www.gaoptimizer.com/blog/ga4-explorations-column-total/): Get percentage of total without exporting to a spreadsheet - [Universal Analytics vs GA4: Missing Features](https://www.gaoptimizer.com/blog/ga4-vs-universal-analytics/): Four UA features missing from GA4 and how to restore them - [A/B Test Analysis in GA4](https://www.gaoptimizer.com/blog/the-ultimate-guide-to-ab-test-analysis-in-ga4/): Calculate statistical significance and detect SRM inside GA4 Explorations - [GA4 Date Range Shortcuts](https://www.gaoptimizer.com/blog/ga4-date-range-shortcuts/): One-click date presets and true day-of-week aligned YoY comparisons - [Faster MoM and YoY Reporting in GA4](https://www.gaoptimizer.com/blog/a-faster-workflow-for-mom-yoy-reporting-in-ga4/): Five-step workflow for monthly reporting with presets, sticky headers, and highlighters - [GA4 500 Row Limit](https://www.gaoptimizer.com/blog/500-rows-per-page-ga4-reports/): Unlock 500 rows per page in GA4 Standard Reports with stability caveats - [GA4 Advanced Table Filters](https://www.gaoptimizer.com/blog/ga4-advanced-table-filters/): Bring back Universal Analytics style advanced table filters to GA4 reports - [GA4 Annotations in Explorations](https://www.gaoptimizer.com/blog/ga4-annotations-explorations/): Add historical context annotations to Exploration reports - [GA4 Bulk Annotations via CSV](https://www.gaoptimizer.com/blog/ga4-bulk-annotations/): Import annotations to multiple GA4 properties at once - [GA4 Hostname Filter for Spam](https://www.gaoptimizer.com/blog/ga4-hostname-filter/): Block ghost spam and exclude staging sites using the hostname filter - [GA4 Standard Events List](https://www.gaoptimizer.com/blog/ga4-standard-events-list/): Complete list of GA4 standard events with definitions - [GA4 Task Assistant Guide](https://www.gaoptimizer.com/blog/ga4-task-assistant-guide/): Track GA4 property setup progress, fix data issues, and connect Google Ads ## GA4 and GTM Updates - [GA4 AI Assistant Channel](https://www.gaoptimizer.com/blog/ga4-ai-assistant-channel/): Track AI chatbot traffic from ChatGPT and Claude using the default channel group - [GA4 Source Group Dimension](https://www.gaoptimizer.com/blog/ga4-source-group-dimension/): Consolidate messy social media traffic and track AI bots with the Source Group dimension - [GA4 Realtime Extended to 4 Hours](https://www.gaoptimizer.com/blog/ga4-realtime-4-hour-update/): The new 4-hour Realtime report and how it bridges the data freshness gap - [GA4 Reporting Identity API](https://www.gaoptimizer.com/blog/ga4-reporting-identity-api/): Programmatically update reporting identity settings via the Admin API - [GA4 Measurement Protocol to Data Manager API](https://www.gaoptimizer.com/blog/ga4-measurement-protocol-update/): Why Google transitioned the Measurement Protocol and how to use the Data Manager API - [GA4 Google Business Profile Integration](https://www.gaoptimizer.com/blog/ga4-google-business-profile-integration/): Connect Google Business Profile to GA4 for local calls, directions, and bookings tracking - [Google Analytics Advisor AI Review](https://www.gaoptimizer.com/blog/google-analytics-advisor-ai-first-impresions/): Testing Google's Gemini-powered Analytics Advisor — what it handles well and where it fails - [Google Tag Manager Biggest Update 2026](https://www.gaoptimizer.com/blog/google-tag-manager-biggest-update-2026/): GTM containers merge with Google Tags — impact on page speed and visual tagging - [GTM Google Tag Gateway vs sGTM](https://www.gaoptimizer.com/blog/gtm-google-tag-gateway/): Compare Google Tag Gateway's 5% uplift against Server-Side GTM - [New GTM UI Changes](https://www.gaoptimizer.com/blog/new-gtm-ui-changes/): Navigate the new GTM UI and restore the missing workspace switcher - [Shopify GA4 Server Integration 2026](https://www.gaoptimizer.com/blog/shopify-ga4-server-integration/): How the new Shopify server-to-server GA4 connection and funnel events work ## Optional - [Blog Index](https://www.gaoptimizer.com/blog/): All published articles - [GA4 Updates Feed](https://www.gaoptimizer.com/blog/ga4-updates/): Chronological GA4 platform changes - [GTM Updates Feed](https://www.gaoptimizer.com/blog/gtm-updates/): Chronological GTM platform changes - [GA4 Fixes Feed](https://www.gaoptimizer.com/blog/ga4-fixes/): Known GA4 issues and workarounds - [Privacy Policy](https://www.gaoptimizer.com/privacy/): Zero-data-collection architecture — no analytics data is stored, transmitted, or accessed - [Contact](https://www.gaoptimizer.com/contact/): Support and feedback form - [RSS Feed](https://www.gaoptimizer.com/feed.xml): Atom feed for all blog posts