Best Headless CMS Software for Google Optimize

JustRelate Web Builder is a cloud-based content management solution built on JustRelate Home, the central hub for managing an organization's mar-tech stack. It can be deployed standalone or integrated within the JustRelate Cloud ecosystem alongside CRM, Marketing Automation, and other connected products. Content is created and modified directly on web pages via an in-place editing interface using modular, drag-and-drop widgets — rearrangeable and copyable across pages — without requiring server-side infrastructure. A Content Browser handles binary assets including images and files. Multiple editors work simultaneously through isolated working copies, with configurable team-based workflows governing the review and publishing process. Multi-language and multi-site content management is supported natively. The platform follows a headless CMS architecture with a RESTful API and a JavaScript SDK, enabling content delivery across websites, mobile applications, and other digital touchpoints. Website markup is prerendered for fast client-side rendering and optimized SEO. All content is stored and indexed on AWS infrastructure — including DynamoDB, S3, CloudFront CDN, and Elasticsearch — with automatic scaling and DDoS protection via AWS Shield. A contextual AI assists editors aligned with brand parameters and campaign objectives.