Technical

Referrer

Source a visitor arrives from, indicated by the HTTP referer header; AI referrers like chatgpt.com reveal traffic earned from AI citations.

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What is Referrer?

The Referrer is the URL of the page from which a user clicked to arrive at your site. In the context of GEO, AI referrers are particularly important: chatgpt.com, perplexity.ai, claude.ai, gemini.google.com, etc. Analyzing your referrers allows you to identify which AI platforms generate the most traffic to your site, and therefore where to focus your optimization efforts. An AI referrer means your site was cited in a response and a user clicked.

How Qwairy Makes This Actionable

Qwairy tracks AI referrers by analyzing your website traffic. See which AI platforms (ChatGPT, Perplexity, Claude, etc.) send you the most visitors and identify your top-performing referrer sources.

Frequently Asked Questions

AI referrers have distinct domains: perplexity.ai, chatgpt.com, claude.ai, you.com, gemini.google.com, copilot.microsoft.com, etc. In Google Analytics 4, filter 'Session source' or 'Referrer' containing these domains. Create custom segments for 'AI Referrers' vs. 'Search' vs. 'Social' to compare traffic quality. Note: Some AI traffic shows as direct/none if referrer headers are stripped. GEO platforms automatically categorize AI referrers, providing dedicated dashboards showing which AI platforms drive your traffic.

Varies by industry and audience. Generally: Perplexity drives high-intent research traffic with strong engagement. ChatGPT Search drives broader discovery traffic. Claude.ai referrals tend toward technical/professional audiences. Google AI Overviews drive high-volume but shorter sessions. Track conversion rates by referrer: volume doesn't equal value. GEO platforms help identify which platforms convert best for your business, letting you prioritize GEO efforts on high-ROI referrers.

Each platform has preferences: Perplexity favors comprehensive, well-structured content with clear citations and data. ChatGPT prioritizes authoritative, up-to-date information with practical examples. Claude values nuanced, detailed explanations. All prefer: clear headings, factual accuracy, E-E-A-T signals, and original insights. Monitor which content gets cited by each platform, then create more content matching those patterns to increase referrer traffic from high-value platforms.