Request Details

Route
/robots.txt GET
Timestamp
Sep 14, 2026 10:23 PM
Duration
10.0 ms
Status
204
Response Size
156 Bytes
Error
No

Performance Breakdown

Database
16.7% (1 query)
View Rendering
55.6%
Application Logic
27.8%
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
Action
View
Database
0.0ms 27.0ms 54.0ms 81.0ms 108.0ms

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 20 ms 200.0%
robots.txt#index 10 ms 100.0%
users/index 40 ms 400.0%
robots.txt#index 10 ms 100.0%
robots.txt#index 10 ms 100.0%
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... 18 ms 180.0%