Request Details

Route
/robots.txt GET
Timestamp
Sep 22, 2026 12:33 PM
Duration
10.0 ms
Status
204
Response Size
111 Bytes
Error
No

Performance Breakdown

Database
33.9% (2 queries)
View Rendering
66.1%
Application Logic
0.0%
Other Operations
0.0%
Total Operations
5
Slowest Operation
29.0 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 31.0ms 62.0ms 93.0ms 124.0ms

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
home/index 25 ms 250.0%
users/index 29 ms 290.0%
users/index 28 ms 280.0%
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... 17 ms 170.0%
SELECT posts.title, posts.content, users.name FROM posts JOIN users ON posts.user_id = users.id WHERE posts.published = ? 25 ms 250.0%