[Yandex Cloud documentation](../../index.md) > [Yandex Cloud CDN](../index.md) > [Concepts](index.md) > Labels

# Labels

A _label_ is a key-value pair used for logical CDN resource labeling.

## CDN resource labels {#cdn-resources-labels}

CDN resources support [labels](../../resource-manager/concepts/labels.md) Yandex Resource Manager.


You can view spending details for CDN resources or other resources of Yandex Cloud [services](../../resource-manager/concepts/labels.md#services) marked with a particular label. For example, using labels, you can view expenses for a particular project or organizational department.

You can view expenses by labeled resources in a CSV [file with usage details](../../billing/operations/get-folder-report.md#format) and on the [Yandex DataLens](../../billing/operations/dashboard.md) dashboard.


Label operation limits:

* Maximum number of labels per resource: 64.
* Label key parameters:

  * It must be from 1 to 63 characters long.
  * It may contain lowercase Latin letters, numbers, hyphens, and underscores.
  * Use a letter for the first character.

* Label value parameters:

  * It may be up to 63 characters long.
  * It may contain lowercase Latin letters, numbers, hyphens, and underscores.


#### See also {#see-also}

* [Managing resource labels](../operations/resources/labeling.md)