CWA Cheat Sheet 2026

The 30 highest-yield CWA facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. In campaign tracking, what does the 'utm_medium' parameter typically represent? → The marketing channel type such as email, cpc, or social
2. What is the purpose of audit or change-history logs in analytics tools? → Record who changed settings and when
3. In a conversion funnel, which finding signals the highest-priority optimization opportunity? → The step with the largest absolute drop-off among high-volume traffic
4. Which metric is the most appropriate for comparing the efficiency of two campaigns with very different traffic volumes? → Conversion rate
5. A site links user activity across devices via login. What does ethical practice require? → Disclosing it in the privacy policy and honoring user choices
6. Why might today's numbers in standard reports differ from later totals? → Processing latency means data can still be updating
7. Revenue in analytics is 15% lower than in the e-commerce backend. Which is a common legitimate cause? → Ad blockers and consent denial prevent some transactions from being tracked
8. In Certified Web Analyst, how should sensitive documentation & best practices be protected? → Through role-based access controls, encryption, and compliance with privacy regulations
9. Using the GTM API, what must you do before you can publish changes from a workspace? → Create a container version
10. An analyst wants to reuse data collected for order fulfillment to build ad-targeting audiences. Which principle is most at risk? → Purpose limitation
11. An email address is found in a page URL being sent to your analytics tool. What is the correct response? → Stop collecting it and purge or redact it, since it is PII
12. What is Time to First Byte (TTFB)? → Time to receive first byte
13. Why is a referral exclusion list used for payment gateways? → To prevent the gateway from replacing the original source on return
14. An analyst notices that paid search drives 40% of first-click conversions but only 10% of last-click conversions. What does this most likely indicate? → Paid search plays a strong role in initiating the customer journey
15. How can website speed impact SEO? → Faster sites rank higher
16. Which type of analysis answers the question 'What happened and why did it happen?' → Diagnostic analysis
17. What is the main purpose of web analytics tools? → To collect and analyze user data
18. Data retention settings in an analytics platform determine: → How long user-level event data is kept before automatic deletion
19. What is 'error rate' as a UX metric? → The frequency at which users make mistakes while attempting to complete a task
20. What is the 'System Usability Scale' (SUS)? → A standardized 10-item questionnaire for measuring perceived usability
21. What is the main purpose of documenting known data limitations after deployment? → To set correct expectations and prevent misinterpretation of reports
22. A marketer accidentally sends customer email addresses to Google Analytics. According to Google's terms, what must happen? → The data must be deleted and collection stopped
23. Which tool class is best suited to automatically crawl pages and verify tags fire correctly? → A headless browser such as Puppeteer or Playwright
24. Under GDPR, what is generally required before setting non-essential analytics cookies for EU visitors? → Valid user consent
25. In GA4, which of these is NOT one of the standard event categories? → Hardcoded cookie events
26. In the GA4 BigQuery export, which table holds streaming data for the current day? → events_intraday_YYYYMMDD
27. Which heuristic framework is widely used in CRO audits to evaluate landing pages? → LIFT Model
28. A tag fires on every page instead of only the checkout confirmation page. What is the most likely cause? → The trigger lacks a page-specific condition
29. What can the Google Tag Manager API be used to automate? → Creating and updating tags, triggers and variables across containers
30. A user-scoped custom dimension is applied to which data? → All of that user's events until the value changes