1. Reading a Postgres EXPLAIN ANALYZE Query Plan

  2. Take Control of Your HTTP Caching in Rails

  3. A Guide to Caching Your Rails Application With Fastly

  4. Introduction to Conditional HTTP Caching with Rails

  5. Speed Up JavaScript Capybara Specs by Blacklisting URLs

  6. ActiveRecord Eager Loading with Query Objects and Decorators

  7. Postgres Window Functions

  8. DNS to CDN to Origin

  9. Why Postgres Won't Always Use an Index

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

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

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

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

  14. Designing for iOS: Graphics & Performance

  15. Factory Girl 2.4 Goes Meta

  16. How-To: Quick Rails Benchmarking

  17. 7 Minute Ab: Impatient Man's Load Tests For A Heroku App

  18. Hoptoad, the Cloud, and the Pond Ahead

  19. Fetching Source Index for http://rubygems.org/

  20. PostgreSQL Performance Considerations

  21. Hopping in the Cloud

  22. Tuning the Toad

  23. The Accept: header vs. #caches_page

  24. offsetHeight especially slow in Firefox for Mac