Request Details

Route
/api_simple GET
Timestamp
Sep 23, 2026 9:57 AM
Duration
15.86 ms
Status
204
Response Size
1.7 KB
Error
No

Performance Breakdown

Database
20.7% (2 queries)
View Rendering
62.5%
Application Logic
16.8%
Other Operations
0.0%
Total Operations
8
Slowest Operation
38.0 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 47.2ms 94.4ms 141.5ms 188.7ms

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 33 ms 208.1%
home#api_simple 16 ms 100.0%
home#api_simple 16 ms 100.0%
posts/show 29 ms 182.8%
users/index 18 ms 113.5%
DELETE FROM comments WHERE created_at < ? 6 ms 37.8%
home/index 38 ms 239.6%
SELECT * FROM posts WHERE created_at > ? 33 ms 208.1%