---
schema_version: "1"
id: 804b5ee057fd4f7d32af292036d9fe5280fd6ad9bd5d013d294541dab0379186
title: Lightning Usage by Browser
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version: current
locale: en-us
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canonical_url: https://developer.salesforce.com/docs/platform/api-rest/guide/resources-lightning-usagebybrowsermetrics.html
source_site: developer.salesforce.com
content_type: documentation
content_hash: 25a7c2e87de3d444c7e66e8f8a00d463041710e052c8521d39d80511c54ddec2
products:
  - REST API Developer Guide
  - Platform Developer Content
---

# Lightning Usage by Browser

Returns Lightning Experience usage results grouped by browser instance. This resource is available in REST API version 44.0 and later.

Use this object with the following APIs.

-   Platform
-   Metadata API
-   Tooling API

## Syntax

**URI:** `/services/data/vXX.X/sobjects/LightningUsageByBrowserMetrics`

**Formats:** JSON, XML

**HTTP methods:** GET

**Request body:** SOQL Query.

**Request parameters**

|Parameter|Description|
|---------|-----------|
|`Browser`|The browser used.|
|`EptBin3To5`|Number of times that a page loaded between 3-5 seconds.|
|`EptBin5To8`|Number of times that a page loaded between 5-8 seconds.|
|`EptBin8To10`|Number of times that a page loaded between 8-10 seconds.|
|`EptBinOver10`|Number of times that a page loaded over 10 seconds.|
|`EptBinUnder3`|Number of times that a page loaded under 3 seconds.|
|`MetricsDate`|The date the metric was recorded.|
|`PageName`|The name of the page.|
|`RecordCountEPT`|Number of records for a page/browser where the valid EPT was recorded.|
|`SumEPT`|Sum of the EPT values for page/browser.|
|`TotalCount`|Total records for a page/browser.|

## Example

**Example Request Body**

```nolang
SELECT CALENDAR_MONTH(MetricsDate) MetricsDate, Browser Browser, SUM(TotalCount) Total FROM LightningUsageByBrowserMetrics WHERE MetricsDate = Last_N_Months:3 AND (NOT Browser like 'OTHER%') GROUP BY CALENDAR_MONTH(MetricsDate),Browser
```