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📊 Steps to Improve Tableau Dashboard Performance
1. Reduce Data Volume
1.a - Use extracts (.hyper) instead of live connections
1.b - Apply filters at the data source level
1.c - Remove unused columns & rows
2. Optimize Calculations
2.a - Avoid complex calculated fields
2.b - Replace row-level calculations with aggregations
2.c - Use FIXED LODs carefully (they are expensive)
3. Limit Visual Complexity
3.a - Reduce number of sheets in a dashboard
3.b - Avoid too many marks, colors, and tooltips
3.c - Prefer bar/line charts over heavy maps & scatter plots
4. Smart Filtering
4.a - Use Context Filters for large datasets
4.b - Replace quick filters with parameter-driven filters
4.c - Avoid cascading filters unless required
5. Improve Dashboard Design
5.a - Use containers instead of floating objects
5.b - Load dashboards with fewer views initially
5.c - Use Show/Hide buttons for heavy charts
6. Optimize Joins & Blends
6.a - Prefer joins over blends
6.b - Use relationships (Tableau 2020.2+)
6.c - Avoid many-to-many joins
7. Backend Improvements
7.a - Optimize SQL queries
7.b - Add indexes in the database
7.c - Pre-aggregate data when possible
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