According to Builtwith.com, WordPress holds close to 50% of the CMS share of the world’s top 1,000,000 websites. As for the ecommerce sphere, we’re at 33% with WooCommerce. And if we cast a wider net, percentages go higher. Although we may complain that WordPress can get bloated, resource-heavy, and its data model leaves a lot to be desired, there is no denying that WordPress is everywhere.
React has been designed from the start for gradual adoption, and you can use as little or as much React as you need.
You can add React to an HTML page in one minute. You can then either gradually expand its presence, or keep it contained to a few dynamic widgets.