SLO Dashboard Design: Five Must-Haves

An SLO dashboard is the most-glanced surface in engineering. Design it to answer questions in seconds.

What the dashboard answers

Three questions in seconds: are we healthy now? Trending right? Burn-rate alert state?

Anything beyond requires drill-down; the dashboard catches the question.

Five must-have panels

• 1. SLO compliance percentage with target line.
• 2. Error budget remaining with sparkline.
• 3. Burn rate trend over multiple windows.
• 4. Top contributors to budget consumption.
• 5. Recent incidents tagged to budget impact.

Visual idioms

Big-number-with-trend for top metrics. Red/yellow/green for status. No charts that take more than a second to read.

Polished design beats baroque every time.

Incident-resilient layout

Dashboard URL bookmarked by on-call. Loads in <2s. Works in dark mode. Has clear sectioning.

Tested during a real incident; tuned after.

Antipatterns

• 20 panels. Overwhelming.
• Pretty visualisations that take effort to read. Slows incident response.
• Dashboard never reviewed for use. Drifts from utility.

What to do this week

Three moves. (1) Apply the pattern to your most-impactful service. (2) Measure adherence for 30 days. (3) Rewrite the policy or the SLO if the gap is durable.