Request Details

Route
/robots.txt GET
Timestamp
Sep 21, 2026 2:32 PM
Duration
10.0 ms
Status
204
Response Size
100 Bytes
Error
No

Performance Breakdown

Database
26.0% (2 queries)
View Rendering
54.0%
Application Logic
20.0%
Other Operations
0.0%
Total Operations
8
Slowest Operation
37.0 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 37.5ms 75.0ms 112.5ms 150.0ms

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
robots.txt#index 10 ms 100.0%
layouts/application 23 ms 230.0%
home/index 37 ms 370.0%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 10 ms 100.0%
SELECT * FROM users WHERE id = ? 29 ms 290.0%
robots.txt#index 10 ms 100.0%
robots.txt#index 10 ms 100.0%
layouts/application 21 ms 210.0%