# Work with SLDS Validator

SLDS Validator scans your code, validates it against a database of guidelines, and offers suggestions on how to improve your code. SLDS Validator makes recommendations for Lightning Web Components and Aura.

- To extend your SLDS Validator implementation, read [Customize SLDS Validator](/docs/platform/slds-validator/guide/customize.md).
- To learn more about Lightning Web Components, check out the [developer guide](https://developer.salesforce.com/docs/platform/lwc/guide).
- To learn more about Aura components, check out the [developer documentation](https://developer.salesforce.com/docs/atlas.en-us.lightning.meta/lightning/intro_components.htm).