- React
- GraphQL
- Node.js
- Tooling (webpack, Babel, Parcel)
- gatsby-node
- gatsby-ssr
- gatsby-browser
- npm/yarn
- lock files
- sharp
- imports vs. sprites
- context stuffing
- debugging
- HTML
- page-data.json, etc.
- data update
- code update
- CWVs
- WebPageTest
- PageSpeed
- DevTools