# Experiments in PostHog Web - Docs

The [PostHog web app](https://app.posthog.com) is where experiments are designed, launched, and read. Open **Experiments** to see every draft, running, and completed test in your project, then open one to configure its variants and metrics, watch exposures accumulate, and see whether the result is significant.

Because the experiment sits next to the rest of your PostHog data, the results view isn't just a number. You can jump from a variant to the [session replays](/docs/session-replay.md) of the people who saw it, or break a metric down by any property you already capture.

## What you can do here

-   **[Create an experiment](/docs/experiments/creating-an-experiment.md)** – define your hypothesis, variants, and metrics, and let PostHog create the backing [feature flag](/docs/feature-flags.md).
-   **[Test and launch](/docs/experiments/testing-and-launching.md)** – verify your implementation with variant overrides before you expose real users.
-   **[Analyze results](/docs/experiments/analyzing-results.md)** – read significance, credible or confidence intervals, and per-variant metric breakdowns.
-   **[Manage the lifecycle](/docs/experiments/managing-lifecycle.md)** – pause, resume, end, ship a winning variant, or archive a finished test.
-   **[Run no-code web experiments](/docs/experiments/no-code-web-experiments.md)** – change copy, styles, or images on your site from the toolbar, with no deploy.
-   **Analyze with [PostHog AI](/docs/experiments/analyze-experiments-ai.md)** – create experiments, summarize results, and compare behavior across variants in natural language. It's an interaction mode inside the web app, not a separate surface.

## Related

-   Learn how users are assigned and counted in [exposures](/docs/experiments/exposures.md) and [traffic allocation](/docs/experiments/traffic-allocation.md).
-   Understand how the numbers are produced in [Bayesian](/docs/experiments/statistics-bayesian.md) and [frequentist](/docs/experiments/statistics-frequentist.md) statistics.
-   Do the same work from your editor over [MCP](/docs/experiments/surfaces/mcp.md).

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