Fast Rails (Beta) - Speaker Deck

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Fast Rails (Beta)

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Frontend Backend Database

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Front End

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PageSpeed! https://developers.google.com/speed ! YSlow! http://yslow.org/

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Asset Pipeline! Far Future Expires Minify JavaScript + CSS Minimize HTTP Requests Multiple Asset Hosts (http://api.rubyonrails.org/classes/ActionView/Helpers/AssetUrlHelper.html)

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Compression! http://nginx.org/en/docs/http/ngx_http_gzip_module.html https://github.com/romanbsd/heroku-deﬂater

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CDN! Static Assets Dynamic Content

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Browser Caching! `expires_in`, `expires_now`, `fresh_when`, `stale?` (http://api.rubyonrails.org/classes/ActionController/ConditionalGet.html)

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Assets Loading! Stylesheets at the Top JavaScripts at the Bottom (async)

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Images! `gem install smusher` Lazy Load

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FOUT! (Flash of Unstyled Text) https://github.com/typekit/webfontloader

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Turbolinks! mmmm…

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Backend

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Update! Ruby 2.2.0 Rails 4.2

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Memory! Server Database

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Background Jobs! Email/Image Processing

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Data Storage! Save to S3? Delete from S3?

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Caching! Russian Doll Caching Low-Level Caching

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Views! helpers (inline) > partials > loop `render ‘article’, collection: @articles`

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Fast Ruby! https://github.com/JuanitoFatas/fast-ruby

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Fast Code! `exists` vs. `present?` Loop in Code vs. SQL

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Development! `spring`, `guard`

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Database

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ActiveRecord! Foreign Keys, Composite Keys, SQL Explain `find`/`find_by`/`find_by_` vs. `where(..).take`

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Indexes! Foreign Keys, Composite Keys, SQL Explain https://github.com/eladmeidar/rails_indexes

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n+1! `gem install bullet`

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The End (Beta)