Experimental

2-UA Labs

Try emerging checks before they qualify for the core product.

Labs results are informational, may change or contain false positives, and carry no ranking, traffic, indexing, citation, compatibility, or security guarantee. They never create an SEO-critical result.

WebMCP checks

Experimental

Inspects experimental WebMCP markup, browser APIs, and discovery endpoints.

Conformance signals do not prove that an AI agent can complete a task.

Audience: Teams evaluating browser-agent integrations
Evidence: Exploratory signals
SEO impact: Experimental / informational
Support: Best-effort support
Owner: Product & Engineering

Open experiment

llms.txt file checks

Experimental

Validates and generates the community-proposed llms.txt file format.

A valid file does not guarantee crawling, indexing, citations, rankings, or AI visibility.

Audience: Publishers testing emerging machine-readable files
Evidence: Exploratory signals
SEO impact: Experimental / informational
Support: Best-effort support
Owner: Product & Engineering

Open experiment Open generator

How an experiment reaches the core product

A check stays out of core navigation until every gate is met:

at least 10 confirmed customer requests;
an actionable fix;
a defined outcome metric;
a completed false-positive review;
an accountable owner and stable status.