Request Details

Route
/robots.txt GET
Timestamp
Sep 13, 2026 5:48 PM
Duration
10.0 ms
Status
200
Response Size
100 Bytes
Error
No

Performance Breakdown

Database
50.0% (2 queries)
View Rendering
41.4%
Application Logic
8.6%
Other Operations
0.0%
Total Operations
5
Slowest Operation
31.0 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 29.0ms 58.0ms 87.0ms 116.0ms

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 users.* FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id WHERE users.active = ? AND posts.published = ? AND comments.approved = ? OR users.created_at > ? AND posts.created_at > ? AND commen... 31 ms 310.0%
posts/show 20 ms 200.0%
SELECT * FROM posts WHERE created_at > ? 27 ms 270.0%
layouts/application 28 ms 280.0%
robots.txt#index 10 ms 100.0%