Introduction to Lightning Web Runtime
Some benefits of LWR are:
- Performance—Our bar is set at subsecond full page loads
- Friction-Free—An enjoyable local development experience
- Power—All the power of Lightning Web Components and the Salesforce platform at your disposal
LWR describes any configurable aspects of the application in a well-defined, portable format. Because of this flexible deployment model, you can deploy on a variety of runtime environments, depending on your use case. For example, LWR works in a local Node.js runtime, or as a standalone instance in Heroku.