Getting started

See how LeanSentry's lightweight monitoring and expert Just-In-Time diagnostics help you capture and correctly diagnose application performance issues.

How to use LeanSentry Hang diagnostics to quickly identify and diagnose website hangs, including identifying the correct application code causing the hang.

How to use LeanSentry CPU diagnostics to quickly detect and diagnose high CPU usage in the IIS worker process.

Diagnose high memory usage in the IIS worker process using LeanSentry Memory diagnostics. Tune .NET memory usage down to code to quickly and definitively resolve memory leaks.

Identify severe and actionable errors across your entire IIS, ASP.NET, and Http.sys web stack. Diagnose complex errors like 503s down to code, and even debug hard-to-reproduce production errors in Visual Studio.

Diagnose async hangs in ASP.NET Core, MVC and WebAPI applications, using the async analysis inside LeanSentry Hang diagnostics.

Learn how to deploy LeanSentry in environments with security restrictions, and locked-down servers with no internet access. Explore the self-hosted LeanSentry OnPremise option for complete data privacy.

LeanSentry OnPremise offers a self-hosted diagnostic solution for locked-down environments.

Get the fastest results from LeanSentry with a help from one of our performance engineers.

Experiencing downtime or severe business impact? Use our proven priority issue resolution process to rapidly resolve critical performance issues.

Our answers to the top performance questions asked by LeanSentry customers.

Here is how to use LeanSentry's data quaity wizard to get the best monitoring and diagnostics for your specific environment.