Browser metrics
It describes the metrics that are collected by Browser Monitoring. They can be searched in Metrics search.
rum_page_load_each_page
For the page load time metric, Navigation Timing value is queried in the Performance API. The page load searching proceeds as shown in the following figure.
The page load's response time covers up to the loadEventEnd point.
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Collection interval: 5 seconds
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Statistical data: 5 minutes, 1 hour
Tags
| Tag name | Description | Remarks |
|---|---|---|
page_group | Page Group | - |
Fields
| Field name | Unit | Description | Remarks |
|---|---|---|---|
page_load_backend_time | millisecond | Average processing time in the backend area during page load | Time elapsed from startTime to responseEnd |
page_load_frontend_time | millisecond | Average processing time in the frontend area during page load | Time elapsed from domInteractive to loadEventEnd |
page_load_redirect_time | millisecond | Average amount of redirection time spent by the browser when loading web pages | Time elapsed from redirectStart to redirectEnd |
page_load_cache_time | millisecond | Average time spent by a browser to search cached resources while loading web pages | Time elapsed from fetchStart to domainLookupStart |
page_load_dns_time | millisecond | Average time spent by a browser to look up website domains while loading web pages | Time elapsed from domainLookupStart to domainLookupEnd |
page_load_connect_time | millisecond | Average amount of network connection time to the server spent by the browser | Time elapsed from connectStart to connectEnd |
page_load_ssl_time | millisecond | Average TCP handshake time spent by a browser when loading web pages | Time elapsed from secureConnectionStart to connectEnd |
page_load_firstbyte_time | millisecond | Average time spent from the browser sending network requests while fetching web pages to the first byte receptions from the server | Time elapsed from requestStart to responseStart |
page_load_download_time | millisecond | Average time spent for a browser to download resources from the server while loading web pages | Time elapsed from responseStart to responseEnd |
page_load_domcontentloaded_time | millisecond | Average time for a web page to render its initial content and become interactive | Time elapsed from domContentLoadedEventStart to domContentLoadedEventEnd |
page_load_domload_time | millisecond | Average time for a web page to load all resources, finish rendering, and become interactive | Time elapsed from loadEventStart to loadEventEnd |
page_load_render_time | millisecond | Average time spent rendering resources downloaded from the server to the screen and completing page load events | Time elapsed from domInteractive to loadEventEnd |
page_load_event_time | millisecond | Average time for the load event to complete as measured by the browser | Time elapsed from the start to loadEventEnd |
page_load_duration | millisecond | Average time taken by the browser to fully load a web page | Time to complete additional interactions after loadEventEnd, page load completion time measured by the browser agent |
page_load_count | Count | Page Load Count | - |
rum_page_load_browser_each_page
Metric related to page loads for each browser
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Collection interval: 5 seconds
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Statistical data: 5 minutes, 1 hour
Tags
| Tag name | Description | Remarks |
|---|---|---|
page_group | Page Group | - |
browser_name | Browser name | - |
Fields
| Field name | Unit | Description | Remarks |
|---|---|---|---|
page_load_count | Count | Page Load Count | - |
page_load_duration | millisecond | Average time taken by the browser to fully load a web page | - |
rum_page_load_device_each_page
Metric related to page loads for each device
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Collection interval: 5 seconds
-
Statistical data: 5 minutes, 1 hour
Tags
| Tag name | Description | Remarks |
|---|---|---|
page_group | Page Group | - |
device_name | Device name | - |
Fields
| Field name | Unit | Description | Remarks |
|---|---|---|---|
page_load_count | Count | Page Load Count | - |
page_load_duration | millisecond | Average time taken by the browser to fully load a web page | - |
rum_page_load_os_each_page
Metric related to page loads for each OS
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Collection interval: 5 seconds
-
Statistical data: 5 minutes, 1 hour
Tags
| Tag name | Description | Remarks |
|---|---|---|
page_group | Page Group | - |
device_name | Device name | - |
Fields
| Field name | Unit | Description | Remarks |
|---|---|---|---|
page_load_count | Count | Page Load Count | - |
page_load_duration | millisecond | Average time taken by the browser to fully load a web page | - |
rum_router_change_each_page
Metric related to the events that occur when pages change in a single-page application
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Collection interval: 5 seconds
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Statistical data: 5 minutes, 1 hour
Tags
| Tag name | Description | Remarks |
|---|---|---|
page_group | Page Group | - |
completed_loading | Whether a page change completes or not | Page change is not complete and appears as false when switching to another page |
Fields
| Field name | Unit | Description | Remarks |
|---|---|---|---|
router_change_count | Count | SPA page change count | - |
router_change_time | millisecond | Average time taken to fully change pages | - |
rum_resource_each_page
Metric related to the response time of a resource called from a web page
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Collection interval: 5 seconds
-
Statistical data: 5 minutes, 1 hour
Tags
| Tag name | Description | Remarks |
|---|---|---|
page_group | Page Group | - |
is3rdParty | Whether the resource is called from a third party | If the domain of the web page is different from the domain of the called resource, true is passed. |
request_host | URL host of the resource | - |
request_path | URL path of the resource | - |
type | Resource type | css, image, script, etc. |
Fields
| Field name | Unit | Description | Remarks |
|---|---|---|---|
resource_dns_time | millisecond | Average time spent by a browser to look up website domains while loading web pages | Time elapsed from domainLookupStart to domainLookupEnd |
resource_connect_time | millisecond | Average amount of network connection time to the server spent by the browser | Time elapsed from connectStart to connectEnd |
resource_ttfb_time | millisecond | Average time spent from the browser sending network requests while fetching web pages to the first byte receptions from the server | Time elapsed from requestStart to responseStart |
resource_download_time | millisecond | Average time spent for a browser to download resources from the server while loading web pages | Time elapsed from responseStart to responseEnd |
resource_duration | millisecond | Average time taken by the browser to fully load a web page | Time to complete additional interactions after loadEventEnd, page load completion time measured by the browser agent |
page_load_count | Count | Page Load Count | - |
resource_size | Byte | Resource size | - |
rum_ajax_each_page
Metric related to the AJAX response time and response status code
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Collection interval: 5 seconds
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Statistical data: 5 minutes, 1 hour
Tags
| Tag name | Description | Remarks |
|---|---|---|
page_group | Page Group | - |
request_host | Host of the AJAX request URL | - |
request_path | Path of the AJAX request URL | - |
Fields
| Field name | Unit | Description | Remarks |
|---|---|---|---|
ajax_1xx_count | Count | Number of AJAX cases with the response status code between 100 and 200 | - |
ajax_2xx_count | Count | Number of AJAX cases with the response status code between 200 and 300 | - |
ajax_3xx_count | Count | Number of AJAX cases with the response status code between 300 and 400 | - |
ajax_4xx_count | Count | Number of AJAX cases with the response status code between 400 and 500 | - |
ajax_5xx_count | Count | Number of AJAX cases with the response status code of 500 or higher | - |
ajax_count | Count | AJAX Count | - |
ajax_duration | millisecond | Average response time for AJAX requests | - |
ajax_fail_count | Count | Number of failed AJAX requests | - |
rum_error_total_each_page
This is the metric related to errors from the browser.
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Collection interval: 5 seconds
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Statistical data: 5 minutes, 1 hour
Tags
| Tag name | Description | Remarks |
|---|---|---|
page_group | Page Group | - |
browser | Browser name | - |
device | Device name | - |
os | OS name | - |
error_message | Error Message | - |
error_type | Error Type | - |
Fields
| Field name | Unit | Description | Remarks |
|---|---|---|---|
error_count | Count | Error Count | - |
rum_web_vitals_each_page
Metric related to the core web vitals
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Collection interval: 5 seconds
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Statistical data: 5 minutes, 1 hour
Tags
| Tag name | Description | Remarks |
|---|---|---|
page_group | Page Group | - |
Fields
| Field name | Unit | Description | Remarks |
|---|---|---|---|
web_vitals_cls | millisecond | Average time for the largest content on the website to load | - |
web_vitals_fid | millisecond | Average time for a website to be loaded and for the browser to respond after a first input | - |
web_vitals_lcp | Positive number | Score that indicates how often the layout changes while the website is being loaded | - |