Request Details

Route
/robots.txt GET
Timestamp
Sep 17, 2026 7:22 AM
Duration
10.0 ms
Status
200
Response Size
100 Bytes
Error
No

Performance Breakdown

Database
20.3% (2 queries)
View Rendering
39.2%
Application Logic
40.5%
Other Operations
0.0%
Total Operations
7
Slowest Operation
21.0 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 18.5ms 37.0ms 55.5ms 74.0ms

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 users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id LEFT JOIN tags ON posts.id = tags.post_id LEFT JOIN categories ON posts.category_id = categories.id WHERE users.active = ? AND posts.publi... 7 ms 70.0%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 8 ms 80.0%
robots.txt#index 10 ms 100.0%
robots.txt#index 10 ms 100.0%
robots.txt#index 10 ms 100.0%
layouts/application 21 ms 210.0%
home/index 8 ms 80.0%