Update index.md

Author: MStephen024

src/connections/destinations/catalog/actions-google-analytics-4/index.md

@@ -157,3 +157,8 @@ Google reserves certain event names, parameters, and user properties. Google sil
 ### Data taking a long time to appear in Google's reports
 
 Google may take [24-48 hours](https://support.google.com/analytics/answer/9333790)  to process data sent to Google Analytics. As a result, the Google Analytics user interface may not reflect the most current data. The Google Analytics [Realtime report](https://support.google.com/analytics/answer/9271392){:target="_blank"} displays activity on your site as it happens.
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+### Google Optimize Support
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+Google Optimize is not a supported feature with Segment's Google Analytics 4 Cloud destination. This destination operates in cloud-mode (sending events from Segment servers to Google Analytics using the Measurement Protocol API), preventing the required [Optimize SDK](https://support.google.com/optimize/answer/11287798?visit_id=637903946258690719-978290187&rd=1) snippet from loading on the page.
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