Request Details

Route
/robots.txt GET
Timestamp
Sep 11, 2026 1:55 AM
Duration
10.0 ms
Status
201
Response Size
143 Bytes
Error
No

Performance Breakdown

Database
30.6% (1 query)
View Rendering
34.1%
Application Logic
35.3%
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
Action
View
Database
0.0ms 21.3ms 42.5ms 63.8ms 85.0ms

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
robots.txt#index 10 ms 100.0%
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... 26 ms 260.0%
robots.txt#index 10 ms 100.0%
posts/show 29 ms 290.0%
robots.txt#index 10 ms 100.0%