1. Speed Up JavaScript Capybara Specs by Blacklisting URLs

  2. ActiveRecord Eager Loading with Query Objects and Decorators

  3. Postgres Window Functions

  4. DNS to CDN to Origin

  5. Why Postgres Won't Always Use an Index

  6. How to Evaluate Your Rails JSON API for Performance Improvements

  7. Honey, I shrunk the internet! - Content Compression via Rack::Deflater

  8. Fast JSON APIs in Rails with Key-Based Caches and ActiveModel::Serializers

  9. New screencast: Improving Performance for Real-time Requests

  10. Designing for iOS: Graphics & Performance

Sign up to receive a weekly recap from Giant Robots