Request Details

Route
/robots.txt GET
Timestamp
Sep 22, 2026 8:51 AM
Duration
10.0 ms
Status
201
Response Size
107 Bytes
Error
No

Performance Breakdown

Database
28.6% (2 queries)
View Rendering
53.6%
Application Logic
17.9%
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 28.0ms 56.0ms 84.0ms 112.0ms

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%
robots.txt#index 10 ms 100.0%
layouts/application 20 ms 200.0%
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... 1 ms 10.0%
DELETE FROM comments WHERE created_at < ? 31 ms 310.0%