Real User Monitoring now answers «where do my visitors come from?» next to «how fast is the site for them?».
- Traffic sources. Every page view gets a source: a known site or app by name (Google, ChatGPT, X, Reddit, Hacker News, Gmail…), an unknown referrer by its domain, a campaign by its
utm_source, Direct / None without referrer or campaign, and Internal for navigation within your own site (shown apart: it is not a way in). Page views measured before the change show as (not recorded). - Breakdowns and filters. Analytics › Real performance has a Traffic sources breakdown, with page views, visitors and Core Web Vitals per source, and a source filter. The API,
ctl rum reportandrum_reporttakeby=source,source_domain,utm_source,utm_mediumandutm_campaign, and the filterssourceandsource_domain. - Privacy. Only the referrer's host is sent and stored, never its path, query or full address, and only the campaign tags
utm_source,utm_mediumandutm_campaignof the landing address; a?ref=counts only when it names a site (hn,news.example.com), since it is often an affiliate or user id. See RUM privacy. Sources come from the browser and can be forged, as with any web analytics.
Sources start with the measurements received after the edge update.