Request Details

Route
/robots.txt GET
Timestamp
Sep 13, 2026 8:14 AM
Duration
10.0 ms
Status
201
Response Size
129 Bytes
Error
No

Performance Breakdown

Database
15.2% (2 queries)
View Rendering
84.8%
Application Logic
0.0%
Other Operations
0.0%
Total Operations
6
Slowest Operation
40.0 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 37.8ms 75.5ms 113.3ms 151.0ms

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
users/index 40 ms 400.0%
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... 19 ms 190.0%
posts/show 38 ms 380.0%
SELECT id, name FROM users WHERE email = ? 4 ms 40.0%
posts/show 34 ms 340.0%
layouts/application 16 ms 160.0%