Request Details

Route
/robots.txt GET
Timestamp
Sep 09, 2026 12:37 PM
Duration
10.0 ms
Status
201
Response Size
122 Bytes
Error
No

Performance Breakdown

Database
37.9% (3 queries)
View Rendering
47.0%
Application Logic
15.2%
Other Operations
0.0%
Total Operations
7
Slowest Operation
38.0 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 33.0ms 66.0ms 99.0ms 132.0ms

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
UPDATE posts SET title = ?, content = ?, updated_at = ? WHERE id = ? 20 ms 200.0%
robots.txt#index 10 ms 100.0%
SELECT id, name FROM users WHERE email = ? 6 ms 60.0%
robots.txt#index 10 ms 100.0%
users/index 24 ms 240.0%
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... 24 ms 240.0%
layouts/application 38 ms 380.0%