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Rails Performance Optimization🏎️

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Rails 8.1.1

Learn to identify and fix performance bottlenecks in Ruby on Rails applications. This course covers database query optimization, N+1 query prevention, caching strategies, background job processing, and profiling tools. Build applications that scale to handle high traffic with excellent response times.

6

Sections

18

Lessons

18

Challenges

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18 lessons and 18 challenges, all 100% free.

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Understanding N Plus One

Eager Loading Strategies

Eager Loading Methods(Sign in required)

Beginner+10 Mana

Query Optimization Techniques

N Plus One Challenge(Sign in required)

Intermediate+20 Mana

Counter Cache Setup(Sign in required)

Intermediate+20 Mana

Fragment Caching

Low Level Caching

Default Cache Store(Sign in required)

Beginner+10 Mana

Russian Doll Caching

Russian Doll Caching(Sign in required)

Intermediate+20 Mana

Cache Invalidation Flow(Sign in required)

Intermediate+20 Mana

Indexing Strategies

Index Types(Sign in required)

Beginner+10 Mana

Database Connection Management

Database Optimization Challenge(Sign in required)

Intermediate+20 Mana

EXPLAIN Output Matching(Sign in required)

Intermediate+20 Mana

Active Job Basics

Job Error Handling

Solid Queue Basics(Sign in required)

Beginner+10 Mana

Solid Queue Configuration

Background Jobs Challenge(Sign in required)

Intermediate+20 Mana

Job Idempotency(Sign in required)

Intermediate+20 Mana

Rails Profiling Tools

Application Monitoring

APM Metrics(Sign in required)

Beginner+10 Mana

Memory Profiling

Profiling Challenge(Sign in required)

Intermediate+20 Mana

Query Count Analysis(Sign in required)

Intermediate+20 Mana

Asset Optimization

Turbo Performance

Rails 8 Asset Pipeline(Sign in required)

Beginner+10 Mana

Stimulus Performance Patterns

Frontend Performance Challenge(Sign in required)

Intermediate+20 Mana

Turbo Techniques(Sign in required)

Intermediate+20 Mana

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18 interactive lessons and 18 hands-on challenges — learn in VS Code, Cursor, or the web.