Request Details

Route
/slow GET
Timestamp
Sep 15, 2026 4:57 PM
Duration
379.26 ms
Status
204
Response Size
71 KB
Error
No

Performance Breakdown

Database
0% (0 queries)
View Rendering
0%
Application Logic
0%
Other Operations
0%
Total Operations
0
Slowest Operation
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.

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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.

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