Q1. What is a SaaS funnel and which metrics matter at each stage?
A SaaS funnel maps the stages a user passes through, and each stage has its own metrics. Awareness: impressions, reach and cost per thousand. Are we in front of the right...
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Q2. What are Core Web Vitals and what thresholds define a good experience?
Core Web Vitals are user-centric metrics for loading, interactivity and visual stability. LCP, Largest Contentful Paint, measures when the largest visible element, usuall...
Q3. What is the difference between output and outcome metrics?
Outputs are things we produce: features, releases, documents. Outcomes are the changes in customer behaviour or business results those outputs are meant to create. Shippi...
Q4. What is an SLA and how do you work within one?
An SLA, or service level agreement, is a commitment about the level of service a customer can expect. It usually defines response times and resolution targets for differe...
Q5. What is the difference between vanity metrics and actionable metrics?
Vanity metrics look impressive but do not guide decisions: total registered users, page views, cumulative downloads. They only go up, lack context and cannot be tied to a...
Q6. Explain precision and recall and when to prefer each.
Precision is the fraction of predicted positives that are truly positive: TP / (TP + FP). Recall, or sensitivity, is the fraction of actual positives that were found: TP ...
Q7. How do you define and track product-market fit?
Product-market fit is the point where a product satisfies a strong market demand well enough that it grows, retains and pulls customers in without heroic effort. I do not...
Q8. How does the Horizontal Pod Autoscaler work?
The Horizontal Pod Autoscaler, or HPA, scales the number of Pod replicas based on observed metrics. - The metrics-server, or a custom or external adapter, supplies metric...
Q9. What are the limitations of code coverage?
Code coverage measures which lines, branches or paths tests execute. It is useful for finding untested code and spotting dead code, and it prevents coverage from silently...
Q10. What is a metric tree and why does metric definition governance matter?
A metric tree decomposes a top-level business goal into the drivers that influence it. For example, revenue equals active customers times purchase frequency times average...