Rails Speed
Make your Rails app faster than a speeding train!
Rails Speed launched on March 9, 2016 with 64 votes, #1,226 of 4,409 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 10 years on.
What it does
The Complete Guide to Rails Performance course teaches you how to diagnose and optimize production Ruby on Rails performance problems.
Learn how to transform your snail-paced Rails app into a sub-100 millisecond powerhouse. The Complete Guide to Rails Performance is a full-stack course that gives you the tools to make your Ruby on Rails applications faster and more delightful for users , scale better and for less money , and take less effort to maintain . It didn't start that way. Your app started as a lean, mean web machine. Customers are complaining. The Redis server is on fire, and the database ran out of memory last week. Searches bog down, your caches are bursting at the seams, and your server is constantly out of memory. 5 seconds is a lifetime. You're spending thousands per month on servers and you don't know why.…from railsspeed.com
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