Request Details

Route
/robots.txt GET
Timestamp
Sep 15, 2026 11:12 PM
Duration
10.0 ms
Status
200
Response Size
100 Bytes
Error
No

Performance Breakdown

Database
25.0% (1 query)
View Rendering
75.0%
Application Logic
0.0%
Other Operations
0.0%
Total Operations
7
Slowest Operation
26.0 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 26.0ms 52.0ms 78.0ms 104.0ms

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 6 ms 60.0%
home/index 14 ms 140.0%
layouts/application 12 ms 120.0%
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 > ? 26 ms 260.0%
home/index 13 ms 130.0%
users/index 20 ms 200.0%
layouts/application 13 ms 130.0%