puppeteer/website/versioned_docs/version-17.1.3/api/puppeteer.page.setviewport.md

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---
sidebar_label: Page.setViewport
---
# Page.setViewport() method
`page.setViewport` will resize the page. A lot of websites don't expect phones to change size, so you should set the viewport before navigating to the page.
In the case of multiple pages in a single browser, each page can have its own viewport size.
**Signature:**
```typescript
class Page {
setViewport(viewport: Viewport): Promise<void>;
}
```
## Parameters
| Parameter | Type | Description |
| --------- | ----------------------------------- | ----------- |
| viewport | [Viewport](./puppeteer.viewport.md) | |
**Returns:**
Promise&lt;void&gt;
## Remarks
Argument viewport have following properties:
- `width`: page width in pixels. required
- `height`: page height in pixels. required
- `deviceScaleFactor`: Specify device scale factor (can be thought of as DPR). Defaults to `1`.
- `isMobile`: Whether the meta viewport tag is taken into account. Defaults to `false`.
- `hasTouch`: Specifies if viewport supports touch events. Defaults to `false`
- `isLandScape`: Specifies if viewport is in landscape mode. Defaults to false.
NOTE: in certain cases, setting viewport will reload the page in order to set the isMobile or hasTouch properties.
## Example
```ts
const page = await browser.newPage();
await page.setViewport({
width: 640,
height: 480,
deviceScaleFactor: 1,
});
await page.goto('https://example.com');
```