Page-based snapshots give you a detailed look at individual page requested. The Summary tab covers the general characteristics of the page. For information on the Resource Details tab, see Page Browser Snapshots - Resource Details.

Waterfall Graph

The top of the page snapshot Summary tab displays a waterfall graph of the overall transaction timing for the page. You can hover over each of the metrics to see a popup definition for that metric.

For more information on what these metrics mean, see Browser RUM Metrics. Additional details associated with the snapshot, including any Related Snapshots and any custom User Data, are displayed as a table below the graph.

Generate a Synthetic Snapshot - SaaS Only

Synthetic snapshots use geographically distributed agents to create snapshots of web page download performance without the idiosyncratic and potentially skewing effects of real user last-mile performance. You can use this button to create an on-demand synthetic snapshot to compare with a problematic RUM snapshot.

Correlated Transaction Snapshots and Business Transactions

If server-side correlation has been set up, a link to any related business transaction is shown:

Clicking the link takes you to the flow map for that business transaction on the server side.

If the business transaction created a transaction snapshot, links to the business transaction, tier, and node flow maps are displayed, along with a direct linkto the transaction snapshot flow map. Cross-app correlation is supported.

In this case, the transaction snapshot also has a link back to the browser snapshot.


JavaScript Errors

If there are JavaScript errors on the page, they are displayed below the waterfall graph:

You can configure errors to ignore if you are seeing too many errors that are not of interest. See Configure JavaScript and Ajax Error Detection.

When an error occurs in a script that is hosted on a domain other than the domain of the current page, most browsers prevent the JavaScript Agent from recording any details of the error. In such cases, the string CROSSDOMAIN is displayed as the Script Origin.

User Data

If you have set up custom user data, it appears in the Details section:

Unknown Metrics in Browser Snapshots

Browser RUM captures metrics using your end-users' web browsers. Occasionally, you may see Unknown data reported for one or metrics in a browser snapshot. This occurs on older or less sophisticated browsers that do not support the collection of a given metric. 

See Browser Monitoring Metrics for details about which metrics may not be captured based on browser capabilities.