Request Details

Route
/robots.txt GET
Timestamp
Sep 12, 2026 2:44 AM
Duration
10.0 ms
Status
200
Response Size
149 Bytes
Error
No

Performance Breakdown

Database
81.1% (2 queries)
View Rendering
18.9%
Application Logic
0.0%
Other Operations
0.0%
Total Operations
3
Slowest Operation
17.0 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 9.3ms 18.5ms 27.8ms 37.0ms

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
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 17 ms 170.0%
layouts/application 7 ms 70.0%
SELECT * FROM posts WHERE created_at > ? 13 ms 130.0%