Request Details

Route
/api_simple GET
Timestamp
Sep 13, 2026 12:52 AM
Duration
19.49 ms
Status
200
Response Size
1.3 KB
Error
No

Performance Breakdown

Database
28.4% (1 query)
View Rendering
33.3%
Application Logic
38.2%
Other Operations
0.0%
Total Operations
4
Slowest Operation
34.0 ms

Request Trace

How to read this

Each row is a layer of your stack. Many short Database bars means N+1 queries — fix with includes(). A wide Action bar with little Database time means slow Ruby code. A wide View bar usually means a partial rendered in a loop.

Action
View
Database
Other
Action
View
Database
0.0ms 25.5ms 51.0ms 76.5ms 102.0ms

Operations

How to use this

Sort by Impact to find your biggest wins. Click any row for details and optimisation suggestions. The same SQL appearing multiple times is an N+1 — fix with includes(). A single operation above 50% impact is your highest priority.

Operation Duration Impact Timeline Actions
layouts/application 34 ms 174.4%
home#api_simple 19 ms 100.0%
home#api_simple 19 ms 100.0%
SELECT users.*, posts.*, comments.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, AVG(posts.view_count) as avg_views, MAX(comments.created_at) as latest_comment FROM users LEFT JOIN posts ON users.id = posts.use... 29 ms 148.8%