Request Details

Route
/robots.txt GET
Timestamp
Sep 12, 2026 1:27 AM
Duration
10.0 ms
Status
204
Response Size
100 Bytes
Error
No

Performance Breakdown

Database
47.3% (3 queries)
View Rendering
40.6%
Application Logic
12.1%
Other Operations
0.0%
Total Operations
7
Slowest Operation
34.0 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 41.3ms 82.5ms 123.8ms 165.0ms

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
layouts/application 33 ms 330.0%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 30 ms 300.0%
robots.txt#index 10 ms 100.0%
posts/show 34 ms 340.0%
robots.txt#index 10 ms 100.0%
SELECT * FROM users WHERE id = ? 20 ms 200.0%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 28 ms 280.0%