Performance - Giant Robots Smashing Into Other Giant Robots

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Introduction to Conditional HTTP Caching with Rails

Learn how to implement HTTP conditional caching in Rails using fresh_when.
Damian Galarza
November 25, 2014
- Web
- Rails
- HTTP
- Performance
Speed Up JavaScript Capybara Specs by Blacklisting URLs

Speed up your tests by telling Capybara WebKit not to hit external APIs.
Simon Taranto
November 14, 2014
- Web
- Testing
- Performance
ActiveRecord Eager Loading with Query Objects and Decorators

How can you plug complex, multi-model SQL queries into ActiveRecord models so that you can use them in your views?
Joe Ferris
September 19, 2014
- Web
- Rails
- SQL
- Performance
Postgres Window Functions

Take your queries to the next level with window functions.
Simon Taranto
September 16, 2014
- Web
- Performance
- PostgreSQL
- SQL
DNS to CDN to Origin

Content Distribution Networks (CDNs) such as Amazon CloudFront and Fastly...
Dan Croak
August 8, 2014
- Web
- Performance
- Ruby
- DNS
Why Postgres Won't Always Use an Index

Use SQL EXPLAIN to understand when and why indexes are used (or not).
Simon Taranto
July 25, 2014
- Web
- Performance
- PostgreSQL
- SQL
How to Evaluate Your Rails JSON API for Performance Improvements

Before adding database indexes, eager loading, and caches, spend a few minutes at the whiteboard with your team to rethink the high-level requirements for your JSON API.
Laila Winner
February 10, 2014
- Web
- Performance
- Rails
Honey, I shrunk the internet! - Content Compression via Rack::Deflater

Speed is key. The snappier the site, the more visitors like you. Speed is so...
Dan Collis-Puro
November 12, 2013
- Web
- Ruby
- Performance
Fast JSON APIs in Rails with Key-Based Caches and ActiveModel::Serializers

Want to make your Rails JSON APIs fast? Blisteringly fast? In a project I’ve...
Josh Clayton
May 30, 2013
- Web
- Performance
- Rails
New screencast: Improving Performance for Real-time Requests

We’re pleased to announce our newest screencast video on Upcase, Improving...
Chad Pytel
May 9, 2013
- News
- Web
- Performance
- Rails
- Upcase
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