The use of object storage, such as Spaces by DigitalOcean, is recommended for scalable web architecture to move static assets off web servers. This approach provides redundancy and scalability, allowing developers to grow their storage needs without worrying about costs. With a simple drag-and-drop interface and compatibility with the S3 ecosystem, Spaces offers an affordable solution for storing and serving vast amounts of data, starting at $5 per month for 250GB of storage and 1TB of outbound bandwidth.