When comparing Grav CMS vs Gatsby JS, the Slant community recommends Gatsby JS for most people. In the question“What are the best solutions for a personal blog?” Gatsby JS is ranked 13th while Grav CMS is ranked 15th.
Ranked in these QuestionsQuestion Ranking
Pro Fast, easy to use
Very fast, easy to update, - has admin panel for noobies or just edit markdown files for posts.
Pro Does not use any database, a complete flat Elise CMS
Database being a point of vulnerability is completely removed from the equation with it's flat file approach.
Pro No page reload when navigating
Pro Based on React.js
Editing markup is phenomenally easy when you have components.
Pro A lot of plugins
Gatsby offers a lot of plugins to integrate tools like SASS, typescript, styled components, etc.
Pro Live reload
Every change you make can be almost immediately seen in a browser.
Pro Open Source
Pro Take content from any source
Gatsby can generate the pages with content from any sources like Drupal, Wordpress, Contentful, etc. If the source plugin is not coded for your solution, you can create it.
Pro A static site and a React app in one
The static pages are generated by Server Site Rendering of the React app. So you have all benefits of a static site, and all benefits of a React app, which is very powerful.
Pro GraphQL Data Layer
Pro A lot of examples
Gatsby have a lot of examples sites in his github repository.
Pro Very active development
Gatsby is very actively developed and the maintainers are very helpful.
Pro Beautiful out-of-the-box blog starters
Pro Built-in code and data splitting
Con Not User Friendly
Require some technical knowledge to use
Con A bit raw
You'll maybe have to tweak some JSX if you want something that's not covered by available themes.