This is like a over-encompassing topic, and perhaps the most important topic of all.
How, you design your dashboard can make it an instant hit or be never used. Some high level concepts are revisited here
- Limit number of filters
- Limit number of sheets
- Provide filtering using Dashboard Actions
- Limit amount of actions happening as the consumers hover over data points
- Simple effective tooltips
Other smaller things that can impact performance are things like dashboard size can also impact performance because Tableau can’t reuse existing caches for other users because of their browser layouts.