Request Details

Route
/robots.txt GET
Timestamp
Sep 11, 2026 10:13 PM
Duration
10.0 ms
Status
200
Response Size
183 Bytes
Error
No

Performance Breakdown

Database
3.6% (1 query)
View Rendering
96.4%
Application Logic
0.0%
Other Operations
0.0%
Total Operations
4
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 20.8ms 41.5ms 62.3ms 83.0ms

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
layouts/application 40 ms 400.0%
users/index 29 ms 290.0%
SELECT DISTINCT users.*, posts.*, comments.* FROM users, posts, comments WHERE users.id = posts.user_id AND posts.id = comments.post_id AND users.created_at > ? AND posts.created_at > ? AND comments.created_at > ? 3 ms 30.0%
layouts/application 11 ms 110.0%