- Make sure you use the ruby version defined at gemfile / .tools-versions
- run
- ./bin/rake db:create db:migrate db:seed
- ./bin/rails s
Server:
- some things can be found here
- Blocking first render to fetch data.
- Loading unused data/assets
- no assets caching.
Client
- Rendering Performance
- rendering large images
- above the fold
- chaining AJAX calls instead of Promise.all