Site Behavior LabSee what a site does, not just what it says.

Curated public corpus · Site history

nih.gov

nih.gov recorded 15 fewer third-party requests in the visit configured for Brave-list blocking.

This timeline contains reviewed reports published into the curated public corpus. A live rescan remains a standalone share report until a later corpus publication includes it.

Latest controlled visit

nih.gov recorded 15 fewer third-party requests in the visit configured for Brave-list blocking.

Brave-list blocking comparison · Aug 7, 2026 · desktop

Third-party requests
19
Third-party tracking-service requests
15
Third-party cookies
0

Comparable visits

Observed differences across comparable visits

  • Jul 21, 2026no change in third-party requests, no change in third-party tracking-service requests compared with Jul 21, 2026

These successful, uncapped passive visits hold the route, scanner method, browser, device, conditions, catalog, Brave-list source and list count constant. The list snapshot may differ, so these are not Shields or detector changes. Differences can still reflect site experiments, ad rotation, caching or bot detection.

Evidence timeline

4 reports

No trend line: this site's newest measurement cohort holds only one report. 3 other reports were measured under different methodology generations, a different requested GPC condition and different tracker-catalog identities, so they are listed below rather than joined to one line.

  1. Aug 7, 2026 · Brave-list blocking comparison · desktopnih.gov recorded 15 fewer third-party requests in the visit configured for Brave-list blocking.19 third-party requests · 15 third-party tracking-service requests · schema 1
  2. Jul 27, 2026 · Brave-list blocking comparison · desktopnih.gov recorded 18 fewer third-party requests in the visit configured for Brave-list blocking.22 third-party requests · 17 third-party tracking-service requests · schema 1
  3. Jul 21, 2026 · Brave-list blocking comparison · desktopnih.gov recorded 19 fewer third-party requests in the visit configured for Brave-list blocking.23 third-party requests · 18 third-party tracking-service requests · schema 1
  4. Jul 21, 2026 · Brave-list blocking comparison · desktopnih.gov recorded 19 fewer third-party requests in the visit configured for Brave-list blocking.23 third-party requests · 18 third-party tracking-service requests · schema 1