···258258259259## Cross-Browser Testing
260260261261-When you specify a browser name in the browser option, Vitest will try to run the specified browser using [WebdriverIO](https://webdriver.io/) by default, and then run the tests there. This feature makes cross-browser testing easy to use and configure in environments like a CI. If you don't want to use WebdriverIO, you can configure the custom browser provider by using `browser.provider` option.
261261+When you specify a browser name in the browser option, Vitest will try to run the specified browser using `preview` by default, and then run the tests there. If you don't want to use `preview`, you can configure the custom browser provider by using `browser.provider` option.
262262263263To specify a browser using the CLI, use the `--browser` flag followed by the browser name, like this:
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