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Jul 18, 2025
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Update faq.mdx #23762

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kathayl Jul 17, 2025
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kathayl Jul 18, 2025
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19 changes: 9 additions & 10 deletions src/content/docs/browser-rendering/faq.mdx
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Expand Up @@ -51,16 +51,6 @@ Returning an `HTMLElement` will not work.

:::

### What are the usage limits and pricing tiers for Cloudflare Browser Rendering and how do I estimate my costs?

You can view the complete breakdown of concurrency caps, request rates, timeouts, and REST API quotas on the [limits page](/browser-rendering/platform/limits/).

By default, idle browser sessions close after 60 seconds of inactivity. You can adjust this with the [`keep_alive` option](/browser-rendering/platform/puppeteer/#keep-alive).

#### Pricing

Browser Rendering is currently free up to the limits above until billing begins. Pricing will be announced in advance.

### Does Browser Rendering rotate IP addresses for outbound requests?

No. Browser Rendering requests originate from Cloudflares global network, but you cannot configure per-request IP rotation. All rendering traffic comes from Cloudflare IP ranges and requests include special headers [(`cf-biso-request-id`, `cf-biso-devtools`)](/browser-rendering/reference/automatic-request-headers/) so origin servers can identify them.
Expand All @@ -86,3 +76,12 @@ If you recently upgraded to the Workers Paid plan to increase your Browser Rende
### Why is my screenshot blurry?

If your screenshot is blurry, it may be because you increased the height and width of the viewport. To fix this, increase the value of the `deviceScaleFactor` (default is 1).

### How can I manage concurrency and session isolation with Browser Rendering?

If you're hitting concurrency limits or would like to better manage oncurrent browser usage with the [Workers Binding method](/browser-rendering/workers-bindings/), here are a few tips:

- Optimize with tabs or shared browsers: Instead of launching a new browser for each task, consider opening multiple tabs or running multiple actions within the same browser instance.
- [Reuse sessions](/browser-rendering/workers-bindings/reuse-sessions/): You can optimize your setup and decrease startup time by reusing sessions instead of launching a new browser every time. IF you're concerned about maintaining test isolation, for example for tests that depend on a clean environment, we recommend using [incognito browser contexts](https://pptr.dev/api/puppeteer.browser.createbrowsercontext), which isolate cookies and cache with other sessions.

If you're still running into concurrency limits you can [request a higher limit](https://forms.gle/CdueDKvb26mTaepa9).
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