Request Details

Route
/robots.txt GET
Timestamp
Sep 10, 2026 5:34 PM
Duration
10.0 ms
Status
201
Response Size
100 Bytes
Error
No

Performance Breakdown

Database
61.0% (4 queries)
View Rendering
39.0%
Application Logic
0.0%
Other Operations
0.0%
Total Operations
7
Slowest Operation
35.0 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
View
Database
0.0ms 38.5ms 77.0ms 115.5ms 154.0ms

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 ? 21 ms 210.0%
SELECT * FROM posts WHERE created_at > ? 35 ms 350.0%
posts/show 25 ms 250.0%
users/index 11 ms 110.0%
SELECT * FROM users WHERE id = ? 19 ms 190.0%
users/index 24 ms 240.0%
DELETE FROM posts WHERE id = ? 19 ms 190.0%