Request Details

Route
/fast GET
Timestamp
Sep 09, 2026 12:18 PM
Duration
14.29 ms
Status
200
Response Size
1.4 KB
Error
No

Performance Breakdown

Database
14.2% (1 query)
View Rendering
56.8%
Application Logic
29.0%
Other Operations
0.0%
Total Operations
3
Slowest Operation
28.0 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 12.3ms 24.6ms 37.0ms 49.3ms

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
home/index 28 ms 195.9%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 7 ms 49.0%
home#fast 14 ms 100.0%