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KeystoneJS vs W3C Markup Validation Service

A side-by-side look at KeystoneJS and W3C Markup Validation Service. For an in-depth review of either product, follow the links below.

KeystoneJS

KeystoneJS

Development

KeystoneJS is an open-source Node.js content management system and web framework that makes it easy to build database-driven websites, applications, and APIs. It has an intuitive admin UI and auto-generated GraphQL APIs.

nodejscmsgraphqladmin-ui
W3C Markup Validation Service

W3C Markup Validation Service

Web Browsers

The W3C Markup Validation Service is a free tool that checks HTML and XHTML documents for conformance to W3C standards. It can help identify potential issues in web pages and ensure they use valid markup.

htmlxhtmlvalidatorw3cstandards