Picking the wrong KPI can steer a test off‑course. See if you can spot the metrics that truly matter.
For subscription services, monthly recurring revenue is preferred over click‑through rate because it directly reflects ______.
gif animation
bottom‑line business value
font preference
cache size
Metrics susceptible to external seasonality violate the testing assumption of ______.
independent and identically distributed samples
serverless execution
cache invalidation
CSS isolation
A metric like average order value can be distorted by outliers; a common remedy is to analyse the ______ instead.
RGB gamut
total CSS bytes
geo hash
median order value
Choosing too many metrics inflates the chance of false discovery due to ______.
multiple comparisons
DNS latency
dynamic pricing
CDN routing
In e‑commerce, add‑to‑cart rate is a useful proxy but should ultimately be confirmed with ______.
server ping
hover state
completed purchase conversion
scroll depth
Lagging metrics like churn can be complemented with leading indicators to ______ experiment cycles.
slow down
decentralise
encrypt
speed up
Ratio metrics (e.g., revenue per user) can be unstable at low traffic because the denominator is small; an alternative is to track ______.
JPEG compression
SSL handshakes
absolute counts with exposure as covariate
GPU usage
For content sites, time on page can be misleading without accounting for ______ tabs.
database
excel
background/inactive
server
When privacy regulations restrict user‑level tracking, platforms often shift to ______ level metrics.
aggregate cohort
MAC address
SMTP
pixel colour
North star metrics should capture both value to the user and value to the ______.
business
keyboard
cloud
stylesheet
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