Web Experiment: Cross-subdomain experimentation
UpdateUnverifiedAdded Sep 25, 2026
Description: Web experiments can now target multiple subdomains. Why: For web experiments, customers want to be able to run experiments consistently across their websites (e.g. a.example.com and b.example.com). Web experiments now maintain a consistent identity (i.e. bucketing id, behavioral targeting events) across the same eTLD+1 (e.g.
Topics: Security
More releases
Every release| Date | Release | Type |
|---|---|---|
| Jul 15 | Event group property improvementsunverified Update | Update |
| Jul 16 | Clickable image linksunverified GA | GA |
| Jul 17 | Attribution parameters as event properties - now on by default in the Browser SDK + GTMunverified Update | Update |
| Jul 13 | Web Experiment Bucketing ID Shared Across Subdomainsunverified Update | Update |
| Jul 21 | Last Non-Direct Attribution in Data Tablesunverified Update | Update |
| Jul 22 | Metric Explorer Chartunverified Beta | Beta |
| Jul 24 | Resource Center: search term highlighting and autoscroll in articlesunverified Update | Update |
| Jul 24 | Resource Center: open directly to a specific article via the SDKunverified Update | Update |
Also shipped on Jul 15, 2026
in July 2026
Sources: each vendor's own release notes, changelogs and GitHub releases, read daily to monthly by how often it posts. Logos via logo.dev; trademarks belong to their owners.