Fast Rails (Beta)

This is a work-in-progress talk, subject to changes.

First given at RubySG's meetup on 27 Jan, 2015.

Transcript

1. Fast Rails (Beta)
2. Frontend Backend Database
3. This slide intentionally left blank.
4. Front End
5. PageSpeed! https://developers.google.com/speed ! YSlow! http://yslow.org/
6. Asset Pipeline! Far Future Expires Minify JavaScript + CSS Minimize HTTP Requests Multiple Asset Hosts (http://api.rubyonrails.org/classes/ActionView/Helpers/AssetUrlHelper.html)
7. Compression! http://nginx.org/en/docs/http/ngx_http_gzip_module.html https://github.com/romanbsd/heroku-deflater
8. CDN! Static Assets Dynamic Content
9. Browser Caching! `expires_in`, `expires_now`, `fresh_when`, `stale?` (http://api.rubyonrails.org/classes/ActionController/ConditionalGet.html)
10. Assets Loading! Stylesheets at the Top JavaScripts at the Bottom (async)
11. Images! `gem install smusher` Lazy Load
12. FOUT! (Flash of Unstyled Text) https://github.com/typekit/webfontloader
13. Turbolinks! mmmm…
14. Backend
15. Update! Ruby 2.2.0 Rails 4.2
16. Memory! Server Database
17. Background Jobs! Email/Image Processing
18. Data Storage! Save to S3? Delete from S3?
19. Caching! Russian Doll Caching Low-Level Caching
20. Views! helpers (inline) > partials > loop `render ‘article’, collection: @articles`
21. Fast Ruby! https://github.com/JuanitoFatas/fast-ruby
22. Fast Code! `exists` vs. `present?` Loop in Code vs. SQL
23. Development! `spring`, `guard`
24. Database
25. ActiveRecord! Foreign Keys, Composite Keys, SQL Explain `find`/`find_by`/`find_by_` vs. `where(..).take`
26. Indexes! Foreign Keys, Composite Keys, SQL Explain https://github.com/eladmeidar/rails_indexes
27. n+1! `gem install bullet`
28. The End (Beta)