Request Details

Route
/api_simple GET
Timestamp
Sep 23, 2026 12:12 AM
Duration
10.0 ms
Status
204
Response Size
1.2 KB
Error
No

Performance Breakdown

Database
44.7% (2 queries)
View Rendering
26.2%
Application Logic
29.1%
Other Operations
0.0%
Total Operations
6
Slowest Operation
33.0 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 25.8ms 51.5ms 77.3ms 103.0ms

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
SELECT * FROM users WHERE id = ? 13 ms 130.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 33 ms 330.0%
home#api_simple 10 ms 100.0%
layouts/application 27 ms 270.0%
home#api_simple 10 ms 100.0%
home#api_simple 10 ms 100.0%