Request Details

Route
/robots.txt GET
Timestamp
Sep 20, 2026 5:16 AM
Duration
10.0 ms
Status
200
Response Size
147 Bytes
Error
No

Performance Breakdown

Database
29.9% (2 queries)
View Rendering
63.3%
Application Logic
6.8%
Other Operations
0.0%
Total Operations
6
Slowest Operation
40.0 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 36.8ms 73.5ms 110.3ms 147.0ms

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
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 27 ms 270.0%
users/index 32 ms 320.0%
robots.txt#index 10 ms 100.0%
layouts/application 21 ms 210.0%
SELECT * FROM posts WHERE created_at > ? 17 ms 170.0%
layouts/application 40 ms 400.0%