• Implementation record

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• Data
• Events
• Attributes
• Data schemas

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• Documentation
• Development approach
• Consent handling
• Personally identifiable information
• Trackers
• Further reading

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• Implementation progress

Attribute viewport_size

• Name: viewport_size
• Description: Used in the page_view object to record the browser viewport size.
• Value: Browser viewport size in widthxlength format.
• Example: 1920x1080
• Required: false
• Type: string
• Redact: false
• GTM/GA4 parameter name: viewport_size
• GA4 display name: Viewport size
• Used by events: page view (Page view)