Request Details

Route
/robots.txt GET
Timestamp
Sep 20, 2026 4:45 PM
Duration
10.0 ms
Status
201
Response Size
178 Bytes
Error
No

Performance Breakdown

Database
11.8% (1 query)
View Rendering
88.2%
Application Logic
0.0%
Other Operations
0.0%
Total Operations
4
Slowest Operation
25.0 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 17.0ms 34.0ms 51.0ms 68.0ms

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 25 ms 250.0%
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 > ? 8 ms 80.0%
home/index 24 ms 240.0%
layouts/application 11 ms 110.0%