# How tracking works

### Step-by-step tracking flow

1. Create a test with multiple **page versions** (Version A, Version B, etc.).
2. Choose what you want to track:
   * **Link tracking**: clicks on specific buttons.
   * **Form submit tracking**: submits via a hosted thank-you redirect.
   * Or **both**.
3. swtchd generates tracking links like `https://t.swtchd.io/abc123`.
4. Paste those links into the buttons on each version of your page.

### Guarantees

* **Tracking links keep redirecting forever.** Your buttons won’t break.
* swtchd only counts tracking events **while your test is live**.
* Visits and clicks use anonymized visitor IDs. No personal visitor data is stored.


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://swtchd-io.gitbook.io/swtchd.io-docs/testing-and-tracking/how-tracking-works.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
