npr.org

Comparable visits

Observed differences across comparable visits

• Aug 17, 2026+203 third-party requests, +37 third-party tracking-service requests compared with Aug 10, 2026
• Jul 6, 2026+122 third-party requests, +77 third-party tracking-service requests compared with Jun 25, 2026

This v1 history holds the route, scanner method, browser, device, conditions, catalog, Brave-list source and list count constant. It does not hold the filter-list snapshot date constant: a changed snapshot can support raw and catalogued-service differences, but never a Shields or detector delta, so a difference here is not evidence that blocking behaviour changed. Differences can still reflect site experiments, ad rotation, caching or bot detection.

Evidence timeline

10 reports

The trend line covers this site's 2 most recent reports from one measurement cohort. 4 other reports were measured under different methodology generations, different schema revisions and different producers, plus 2 others, so they are listed below rather than joined to one line.

1. Aug 17, 2026 · Brave-list blocking comparison · desktopnpr.org recorded 763 fewer third-party requests in the visit configured for Brave-list blocking.849 third-party requests · 317 third-party tracking-service requests · schema 1
2. Aug 14, 2026 · GPC comparison · desktopnpr.org contacted catalogued Google and LinkedIn domains during this visit.813 third-party requests · 285 third-party tracking-service requests · schema 2.r2
3. Aug 10, 2026 · Brave-list blocking comparison · desktopnpr.org recorded 574 fewer third-party requests in the visit configured for Brave-list blocking.646 third-party requests · 280 third-party tracking-service requests · schema 1
4. Aug 7, 2026 · Brave-list blocking comparison · desktopnpr.org's retained request log includes catalogued Google and LinkedIn domains.at least 944 third-party requests · at least 377 third-party tracking-service requests · schema 1 · recording capped: this visit hit the exact request-recording cap, so its request counts are lower bounds and it is excluded from the medians, leaderboard, and since-last-scan deltas.
5. Jul 27, 2026 · Brave-list blocking comparison · desktopnpr.org recorded 603 fewer third-party requests in the visit configured for Brave-list blocking.679 third-party requests · 250 third-party tracking-service requests · schema 1
6. Jul 21, 2026 · Brave-list blocking comparison · desktopnpr.org's retained request log includes catalogued Google domains.at least 179 third-party requests · at least 38 third-party tracking-service requests · schema 1 · request evidence incomplete: this visit has incomplete request evidence from another bounded capture loss, so its request counts are lower bounds and it is excluded from the medians, leaderboard, and since-last-scan deltas.
7. Jul 21, 2026 · Brave-list blocking comparison · desktopnpr.org's retained request log includes catalogued Google domains.at least 298 third-party requests · at least 84 third-party tracking-service requests · schema 1 · request evidence incomplete: this visit has incomplete request evidence from another bounded capture loss, so its request counts are lower bounds and it is excluded from the medians, leaderboard, and since-last-scan deltas.
8. Jul 6, 2026 · Brave-list blocking comparison · desktopnpr.org recorded 200 fewer third-party requests in the visit configured for Brave-list blocking.298 third-party requests · 117 third-party tracking-service requests · schema 1
9. Jul 2, 2026 · consent comparison attempt (no control activated) · desktopnpr.org contacted catalogued Google and LinkedIn domains during this visit.296 third-party requests · 119 third-party tracking-service requests · schema 1
10. Jun 25, 2026 · Brave-list blocking comparison · desktopnpr.org recorded 74 fewer third-party requests in the visit configured for Brave-list blocking.176 third-party requests · 40 third-party tracking-service requests · schema 1