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- 01 Cloudflare Zone Analytics is server-side IP-based, GA4 is client-side cookie-based; this methodology difference creates a 4-5x gap
- 02 20-month comparison data: Cloudflare reports 4.1x more unique visitors, 5.4x more pageviews (Zhauniarovich)
- 03 Cloudflare Zone Analytics and Web Analytics are different products; Zone is server-side, Web Analytics uses a JS beacon
- 04 Zaraz GA4 integration has known issues with engagement time, auto events, and IP anonymization
- 05 Keep using both tools, but for different questions: Cloudflare for infrastructure, GA4 for user behavior
+ Why does Cloudflare Analytics show far more visitors than GA4?
Cloudflare Zone Analytics works server-side and counts every HTTP request at the DNS level. This includes bots, AI crawlers, API calls, and visitors who don't execute JavaScript. GA4 only sees real users whose browsers can execute JavaScript and who don't use ad blockers.
+ What's the difference between Cloudflare Zone Analytics and Web Analytics?
Zone Analytics is server-side IP-based measurement that counts all traffic passing through the DNS proxy. Web Analytics is a client-side JavaScript beacon using the Performance API. Web Analytics uses a methodology closer to GA4 but doesn't use cookies.
+ Is using Zaraz with GA4 reliable?
Zaraz provides ad blocker bypass and first-party data advantages, but has known limitations: enhanced measurement events don't auto-fire, engagement time doesn't work properly, and incorrect IP anonymization settings can destroy demographics data. You need to know these limitations and configure accordingly.
+ Which number should I trust?
Each tool answers different questions. Cloudflare: 'How much traffic is my infrastructure handling, how much is bots?' GA4: 'What are real users doing on the site?' Use both together and track the gap between them as an indicator of client-side tracking loss.