CQI Referrer Attribution is a channel attribution tool designed to identify the source of every website visit, including traffic from AI platforms such as ChatGPT, Gemini, Claude, and Perplexity. It addresses the challenge of accurately attributing visits that conventional tools often classify as Direct or Unknown, particularly those originating from AI assistants that do not pass standard UTM parameters or referrer headers. The tool provides a dedicated AI Referrer channel, using a built-in taxonomy that maps over sixteen AI platforms by their known referrer domains, ensuring that this traffic is classified distinctly and not lost in generic categories.
The platform is available in two forms: a WordPress plugin and a standalone application called Refer App for non-WordPress sites. js, Shopify, or custom CMS—by uploading a folder and adding a script tag, typically in under ten minutes. Both versions operate server-side, relying on a first-party functional session cookie rather than third-party scripts or client-side JavaScript, and all attribution data remains stored on the user's own server. For WordPress, data is kept in the site's database; for other platforms, it is stored in a SQLite file on the hosting account.
CQI Referrer Attribution does not replace a full analytics platform but focuses on providing clear, actionable information about where website traffic originates and what those visitors do during their sessions. The free tier is genuinely free with no time limit or feature countdown. The free WordPress plugin includes features such as full attribution, a Session Journey view, live session counter, channel and source breakdown charts, sessions-per-day chart, unlimited session log, CSV export, the AI Referrer Taxonomy, sample data, and a dashboard. The free Refer App offers the same core attribution capabilities. Paid Pro plans add advanced features like tagging, trend charts, conversion tracking, Content Attribution, Webhooks, branded short links, and enhanced insights, but do not restrict the free features.
The tool is built on the CQIP (Content Quality and Intelligence Policy) methodology standard for structured content and is suitable for website owners and marketers seeking privacy-conscious, server-side attribution without requiring a consent banner in standard deployments.
CQI Referrer Attribution is a Business & Operations product. Accurately attributing website traffic sources, including AI assistants, without impacting site speed or privacy compliance. It is built as a consumer product for website owners and marketers. CQI Referrer Attribution follows a freemium model. The product ships for the web.
Behind CQI Referrer Attribution is hdfraser, and the product first shipped in 2026. PulseGate's similarity index finds few close equivalents — CQI Referrer Attribution occupies a relatively distinct niche. Key capabilities include server-side attribution, AI assistant traffic detection, and No JavaScript required. The interface is available in English and French.
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