Update README.md

Author: AdrienTorris

README.md

@@ -79,6 +79,7 @@ To get started with Blazor, follow the instructions in the [Blazor Get Started](
 * ['Hello World' sample](https://github.com/dodyg/practical-aspnetcore/tree/master/projects/blazor) - 'Hello World' sample.
 * [Introduction to ASP.NET Core](https://docs.microsoft.com/en-us/aspnet/core/) - Introduction to ASP.NET Core.
 * [Workshop](https://github.com/dotnet-presentations/blazor-workshop/) - ![GitHub stars](https://img.shields.io/github/stars/dotnet-presentations/blazor-workshop?style=flat-square&cacheSeconds=604800&logo=microsoft) ![last commit](https://img.shields.io/github/last-commit/aspnet/Blazor?style=flat-square&cacheSeconds=86400) Build a complete Blazor app and learn about the various Blazor framework features along the way.
+* [Blazor WebAssembly performance best practices](https://github.com/dotnet/AspNetCore.Docs/blob/1e199f340780f407a685695e6c4d953f173fa891/aspnetcore/blazor/webassembly-performance-best-practices.md#aspnet-core-blazor-webassembly-performance-best-practices) - ASP.NET Core Blazor WebAssembly performance best practices, by Pranav Krishnamoorthy and Steve Sanderson.
 
 ## Sample Projects
 ### Authentication