CDN pricing and usage
CDN pricing covers three resources:
- Fast Data Transfer: Data sent between the CDN and the visitor's device.
- Fast Origin Transfer: Data sent between the CDN and Vercel Functions.
- CDN Requests: Requests the CDN processes.
An overview of how items relate to the CDN
Select a Region
Fast Data Transfer usage incurs alongside CDN Requests every time a user visits your site, and is priced regionally.
Pro Included
When a user visits your site, the data transfer between Vercel's CDN and the user's device gets measured as Fast Data Transfer. The data transferred gets measured based on data volume transferred, and can include assets such as your homepage, images, and other static files.
Flat Rate CDN
Pro plans charge for CDN usage per unit, and pricing varies by the region where requests originate.
Resource
Hobby Included
First 100 GB
On-demand Rates
$0.15 per 1 GB
The Fast Data Transfer chart on Usage in your dashboard sidebar shows the incoming and outgoing data transfer of your projects.
- The Direction filter allows you to see the data transfer direction (incoming or outgoing)
- The Projects filter allows you to see the data transfer of a specific project
- The Regions filter allows you to see the data transfer of a specific region. This is can be helpful due to the nature of regional pricing and Fast Data Transfer
As with all charts on the Usage section in the sidebar, you can select the caret icon to view the chart as a full page.
To optimize Fast Data Transfer, you must optimize the assets that are being transferred. You can do this by:
- Using Vercel's Image Optimization: Image Optimization on Vercel uses advanced compression and modern file formats to reduce image and video file sizes. This decreases page load times and reduces Fast Data Transfer costs by serving optimized media tailored to the requesting device
- Analyzing your bundles: See your preferred frameworks documentation for guidance on how to analyze and reduce the size of your bundles. For Next.js, see the Bundle Analyzer guide
To further analyze the data transfer of your projects, you can use Observability in the sidebar.
Calculating Fast Data Transfer
Fast Data Transfer is calculated based on the full size of each HTTP request and response transmitted to or from Vercel's CDN. This includes the body, all headers, the full URL and any compression. Incoming data transfer corresponds to the request, and outgoing corresponds to the response.
Fast Origin Transfer
Fast Origin Transfer is incurred when using several Vercel products including Vercel Functions, Middleware, Blob and Data Cache (used through ISR).
Resource
Hobby Included
Pro Included
On-demand Rates
First 10 GB
Usage-based
$0.06 per 1 GB
- Incoming: The number of bytes sent as part of the
HTTP Request (Headers & Body).
- For common GET requests, the incoming bytes are normally inconsequential (less than 1KB for a normal request).
- For POST requests, like a file upload API, the incoming bytes would include the entire uploaded file.
- Outgoing: The number of bytes sent as the HTTP Response (Headers & Body).
Optimizing Fast Origin Transfer
If using Vercel Functions, you can optimize Fast Origin Transfer by reducing the size of the response. Ensure your Function is only responding with relevant data (no extraneous API fields).
You can also add caching headers to the function response. By caching the response, future requests serve from the CDN cache, rather than invoking the function again. This reduces Fast Origin Transfer usage and improves performance.
Ensure your Function supports If-Modified-Since or Etag to prevent duplicate data transmission ( on by default for Next.js applications).
If using Middleware, it is possible to accrue Fast Origin Transfer twice for a single Function request. To prevent this, you want to only run Middleware when necessary. For example, Next.js allows you to set a matcher to restrict what requests run Middleware.
CDN Requests
- Look at the Fast Origin Transfer section of the Usage page:
- Observe incoming vs outgoing usage. Reference the list above for optimization tips.
- Observe the breakdown by project.
- Observe the breakdown by region (Fast Origin Transfer is priced regionally)
- If optimizing Outgoing Fast Origin Transfer:
- Observe the breakdown by project to identify which projects contribute most
- Filter by invocations to see which specific compute is being accessed most
When visiting your site, requests are made to a Vercel CDN region. Traffic is routed to the nearest region to the visitor. Static assets and functions all incur CDN Requests.
Select a Region
Hobby Included
Resource
Pro Included
First 1,000,000
On-demand Rates
$2.00 per 1,000,000 Requests
Edge Request CPU Duration
You can view the Edge Requests chart on Usage in your dashboard sidebar. This chart shows:
N/A
1 Hour
$0.30 per 1 Hour
- Count: The total count of requests made to your deployments
- Projects: The projects that received the requests
- Region: The region where the requests are made
As with all charts on the Usage section in the sidebar, you can select the caret icon to view the chart in full screen mode.
Frameworks such as Next.js, SvelteKit, Nuxt, and others help build applications that automatically reduce unnecessary requests.
The most significant opportunities for optimizing CDN Requests include:
- Identifying frequent re-mounting: If your application involves rendering a large number of images and re-mounts them, it can inadvertently increase requests
To identify: Use your browsers devtools and browse your site. Pay attention to responses with a
304 status code
on repeated requests paths. This indicates content that has been fetched multiple times
- Excessive polling or data fetching: Applications that poll APIs for live updates, or use tools like SWR or React Query to reload data on user focus can contribute to increased requests
Edge Request CPU duration
Edge Request CPU duration is the measurement of CPU processing time per CDN Request. CDN Requests of 10ms or less in duration don't incur any additional charges. CPU duration is metered in increments of 10ms.
Managing Edge Request CPU duration
View the Edge Request CPU Duration chart on Usage in your dashboard sidebar. If you notice an increase in CPU duration, investigate the following aspects of your application:
- Number of routes.
- Number of redirects.
- Complex regular expressions in routing.
To investigate further:
- Identify the deployment where the metric increased.
- Compare rewrites, redirects, and pages to the previous deployment.
Flat Rate CDN
Last updated September 14, 2026
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You enable it from your team's Billing page. For the steps, see Enable and configure Flat Rate CDN.
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Flat Rate CDN replaces the per-unit charges on this page with a fixed monthly price for a capacity tier that covers your content delivery.
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