LR TruClient 12.53 with IE version 11 is capable of capturing the client side metrics.

The following are some of the performance metrics that can be recorded by TruClient:

1. End to end transaction response time. This includes the client time, such as browser rendering time.

2. Web page component breakdown. Load times can be broken down by Web page and resource.

3. HAR. TruClient can generate a standard HAR file in some configurations.

4. Throughput. Count of bytes transferred between the browser and the server.

5. Hits. Count of HTTP requests sent from the client.

6. Connections. Count of connections opened by the browser to the server

For more information click on the link below:

https://tchelp.saas.hpe.com/en/12.53/Content/TruClient/reference/performance_measures.htm