Heatmap
Grids of cells coloured by value, for patterns over time and across groups.
Hover a cell to read it in the line under the grid. With the keyboard, Tab into the grid and use the arrow keys, Home and End to move between cells; screen readers announce each cell with its row, column and value.
Weekday by Hour
When visitors arrive, by day of the week and hour of the day.
Busiest: Mon, 14:00–15:00, with 1,280 sessions
Cohort Retention
The share of each weekly signup cohort still active in each week after signup.
Week 1 retention averages 77%
Calendar
A year of daily values. On narrow screens the grid scrolls sideways and starts at the most recent weeks.
1,321 deploys on 268 days
Hot Spots
p95 latency by endpoint over the last 24 hours, darker where it's slower.
Slowest: POST /v1/checkout, 18:00–20:00, at 1,923 ms