Request Details

Route
/robots.txt GET
Timestamp
Sep 15, 2026 7:53 PM
Duration
10.0 ms
Status
201
Response Size
163 Bytes
Error
No

Performance Breakdown

Database
25.0% (3 queries)
View Rendering
67.2%
Application Logic
7.8%
Other Operations
0.0%
Total Operations
7
Slowest Operation
36.0 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 32.0ms 64.0ms 96.0ms 128.0ms

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 posts WHERE created_at > ? 6 ms 60.0%
robots.txt#index 10 ms 100.0%
layouts/application 33 ms 330.0%
users/index 17 ms 170.0%
users/index 36 ms 360.0%
UPDATE posts SET view_count = view_count + ? WHERE published = ? 14 ms 140.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 12 ms 120.0%