How Often Should a Dashboard Refresh?

There is no universal number. Match refresh cadence to how fast the data changes and how long the page takes to render on your TV hardware.

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Practical starting points

Slow-moving KPIs

Daily or hourly business numbers may only need refresh every few minutes-or when the tab is shown.

Ops / NOC boards

Faster cadences help, but not faster than the panel can load.

Heavy BI pages

Prefer refreshing when the tab becomes active rather than constant background reloads.

Auth-sensitive apps

Aggressive reload can accelerate session problems-test carefully.

A simple rule

Pick the slowest interval that still feels current to viewers standing at the screen. Then optimize.

Tuning questions to ask

  • How long does the page need to become readable after reload?
  • How often does the underlying data actually change?
  • Does reload trigger re-auth more often?
  • Do viewers complain the wall “flickers”?

Frequently Asked Questions

Should refresh match rotation time?

Often yes: refresh after a page is shown, then rotate onward. Exact timing depends on load speed.

Is every 10 seconds a good default?

Rarely. Many dashboards need longer to render. Prefer the slowest interval that still feels current.

Should every tab share one refresh interval?

Not always. Heavy BI pages often need gentler cadences than lightweight status sites.

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