Skip to content
LogZuno

Metrics6 min readUpdated

Vanity metrics vs actionable metrics

How to tell them apart, the common vanity metrics in SaaS, and the rates and cohorts that should replace them.

Vanity metrics vs actionable metrics is the difference between numbers that make you feel good and numbers that tell you what to do. Total sign-ups since launch, raw pageviews and app downloads look impressive in a slide. They rarely change a decision. Activation rate, retention by cohort and conversion between two specific steps can go down, and when they do, you know where to look.

This guide explains the difference, gives a test you can apply to any metric, lists common vanity metrics with their actionable replacements, and shows how to build reporting around metrics that drive decisions.

What is a vanity metric?

A vanity metric is a number that looks like progress but doesn't help you decide anything. Typical traits:

  • It only goes up. Cumulative totals can't fall, so they can't warn you.
  • It counts activity, not value. Pageviews, clicks and downloads measure motion, not whether anyone got what they came for.
  • It has no comparison. A number without a previous period, a target or a segment has no meaning.
  • It's easy to inflate. Bots, paid traffic or a viral post can move it without any change in the business.

Vanity metrics aren't always useless. Total customers is useful for a press release. The problem is when they're used to judge whether the product or marketing is working.

What is an actionable metric?

An actionable metric is tied to a specific behaviour you can influence, and moves in a way that tells you what to do next. Traits:

  • It's a rate or ratio, normalised so it's comparable across periods: conversion rate, activation rate, retention rate.
  • It's cohort-based or time-bound: this week's sign-ups, the March cohort's week-4 retention.
  • It's segmented: by channel, plan, device or customer size, so you can see where a change came from.
  • Someone owns it and knows what levers affect it.

The test: would a change make you do something different?

For any metric, ask three questions:

  1. If it went down 20%, what would we do? If the answer is "nothing" or "panic", it's not actionable.
  2. Can we trace a change to a cause? Can we segment it, see which step changed, or link it to a release?
  3. Does it reflect value to the customer? Or only activity?

A metric that passes all three belongs on your dashboard. One that fails belongs in an appendix, if anywhere.

Vanity metrics and their actionable replacements

Vanity metricWhy it misleadsActionable replacement
Total sign-ups since launchOnly goes upWeekly sign-ups by source
PageviewsActivity; inflated by botsPeople who visited, and the share who converted
App downloadsSays nothing about useWeek-1 active users, activation rate
Registered usersIncludes everyone who ever triedWeekly active users or accounts
Time on siteLong can mean confusedTask completion, conversion to the next step
Social followersWeak link to revenueVisitors and sign-ups from social, retained after 30 days
Emails sentEffort, not outcomeOpens that led to a core action
Features shippedOutput, not outcomeFeature adoption and retention of adopters

A worked example

A team reports 50,000 registered users and 2 million pageviews last quarter, both records. Under the surface:

  • weekly active users have been flat for three months;
  • the share of new sign-ups who reach the core action fell from 42% to 31% after a redesign;
  • a third of pageviews came from automated browsers.

The vanity metrics said "growth". The actionable ones said "activation broke and traffic is inflated". The fix, restoring a removed onboarding step, shows up within two weeks in the activation rate, and not at all in registered users. (Figures are illustrative.)

Turning a vanity metric into an actionable one

Most vanity metrics can be rescued with three moves:

1. Turn a total into a rate. "50,000 registered users" becomes "31% of last week's sign-ups reached the core action". The rate can fall, which is exactly why it's useful.

2. Add a time frame or cohort. "2 million pageviews" becomes "people who visited this week, against last week". A cohort makes the number about a specific group you can study: "of people who signed up in March, 34% were active in week four".

3. Segment it. Break the number down by source, plan, device or customer size. A flat overall conversion rate can hide one channel that doubled and another that halved. The segment tells you where to act.

Applied to app downloads, the three moves give "share of last week's installs that completed onboarding, by acquisition source", a number a growth team can own and improve. Applied to social followers, they give "people from social this month who signed up and were still active 30 days later". Neither is as impressive in a slide, and both are far more useful in a planning meeting.

A good final check: show the new metric to the person who owns it and ask what they would do if it dropped next week. If they have an answer, the metric is actionable. If they don't, keep refining. The activation rate and retention rate entries show two metrics that pass this test for most products.

Why vanity metrics persist

  • They're easy to get. Totals come for free; cohorts take thought.
  • They feel good. Teams and investors like rising lines.
  • They're safe. A number that can't go down can't embarrass anyone.
  • Nobody defined the alternatives. Without an agreed activation definition, total sign-ups wins by default.

The bot problem

Many web vanity metrics are inflated by automated traffic. Headless browsers and scrapers run analytics scripts and count as visitors, so pageviews and sessions rise while real people don't. Actionable web metrics count people: visitors who interacted with the page. See bot traffic in GA4 and web analytics.

Building reporting on actionable metrics

  1. Start from decisions. List the decisions each team makes, and the one number each depends on.
  2. Define each metric in writing, including the event, the window and the segment.
  3. Show every number with a comparison: previous period, target or cohort.
  4. Keep dashboards to five to eight tiles per team. See dashboards.
  5. Set alerts on the metrics that need fast action.
  6. Review weekly, and record what you decided. See data-driven decision making.

Actionable metrics by team

  • Product: activation rate, feature adoption, week-4 cohort retention. See user engagement metrics.
  • Growth and marketing: sign-ups by source, visitor-to-sign-up conversion counted on people, activation by source. See conversion tracking.
  • Revenue: trial-to-paid, net revenue retention, failed payments recovered. See SaaS KPIs.
  • Engineering: error rate per key action, time to complete core tasks.

Tracking actionable metrics with LogZuno

LogZuno is built around actionable metrics:

  • per-user funnels with conversion windows for activation and conversion rates;
  • cohort retention by day, week or month;
  • breakdowns by source, plan, device or any property;
  • people, not page loads, in web analytics, with automated traffic labelled;
  • comparison with the previous period on every trend, dashboard notes for definitions, and alerts.

See product analytics and the KPI glossary entry.

Key takeaways

  • Vanity metrics look like progress; actionable metrics tell you what to do.
  • Test any metric: would a 20% drop change what you do, can you trace it, does it reflect value?
  • Replace totals with rates, cohorts and segments, and count people, not page loads.
  • Build reporting from decisions, with written definitions, comparisons and owners.

Send your first event today.

7 days free on any plan, up to 500 events. Then from $17 a month. Cancel during the trial and you pay nothing.