good to learn: webpack, typescript

https://www.youtube.com/watch?v=MzVFrIAwwS8

http://jonathancreamer.com/

https://basarat.gitbooks.io/typescript/content/docs/project/tsconfig.html

http://henleyedition.com/implicit-code-splitting-with-react-router-and-webpack/

https://github.com/nfl/react-helmet

https://github.com/ReactJSTraining/react-subjects
dts-generator
https://www.youtube.com/watch?v=7S8v8jfLb1Q

server rendring improved : 1sec to 66ms https://www.youtube.com/watch?v=PnpfGy7q96U

https://pixabay.com

http://www.pittss.lv/jquery/gomap/solutions.php

json query