Analytics audit
📖 3 min readUpdated 2026-04-19
CRO starts with data. Before testing, look at funnels: where do users enter, where do they drop, where do they convert?
What to look at
- Top entry pages
- Page-by-page bounce rates
- Funnel drop-offs
- Conversion rates by segment (new vs returning, mobile vs desktop, channel)
- Search terms if on-site search
Tools
- Google Analytics 4
- Mixpanel / Amplitude for product analytics
- Custom dashboards (Looker, etc.)
Output
Ranked list of pages and flows with highest leverage, where a conversion improvement moves the needle most.
What to do with this
- Start every CRO program with a full analytics audit, skipping it means you're optimizing guesses not data
- Map the funnel end-to-end before testing, testing one page in isolation misses the interaction effects
- Find the highest-leverage step (traffic × drop-off), fixing a 20% drop on 10K visits beats fixing a 50% drop on 500 visits
- Segment the funnel by source + device, mobile checkout usually differs dramatically from desktop
- Turn audit findings into a prioritized test backlog before shipping anything, the audit isn't the deliverable, the roadmap is