#368 MiniProfiler
MiniProfiler allows you to see the speed of a request conveniently on the page. It also shows the SQL queries performed and allows you to profile a specific block of code.
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Model Caching (revised)
Caching at a low level is a great option when the view is too dynamic to cache and you need something flexible that can work anywhere in the application. Here I show a variety of ways to use Rails.cache with Active Record.
(12 minutes)
Performance Testing
Learn how to add performance tests that automate benchmark and profile reports. Here I show how to find the bottlenecks to optimize a page. I also show how to compile Ruby with gcdata to get information about memory usage.
(16 minutes)
Eager Loading (revised)
One way to improve performance is to reduce the number of database queries through eager loading. Here I demonstrate this and compare the difference between the "includes" and "joins" methods.
(7 minutes)
Autocomplete Search Terms
Learn how to add autocompletion to a search form and improve performance using Rack middleware, caching and switching from SQL to Redis.
(17 minutes)
Client-Side Performance
Optimizing Rails performance can only take you so far. The client-side plays a big part in how fast a page feels. Here I show many tools that can help make your apps faster than ever.
(14 minutes)
