Request Details

Route
/robots.txt GET
Timestamp
Sep 22, 2026 6:11 AM
Duration
10.0 ms
Status
200
Response Size
210 Bytes
Error
No

Performance Breakdown

Database
63.9% (3 queries)
View Rendering
0.0%
Application Logic
36.1%
Other Operations
0.0%
Total Operations
6
Slowest Operation
30.0 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
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
robots.txt#index 10 ms 100.0%
SELECT users.* FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id WHERE users.active = ? AND posts.published = ? AND comments.approved = ? OR users.created_at > ? AND posts.created_at > ? AND commen... 30 ms 300.0%
robots.txt#index 10 ms 100.0%
robots.txt#index 10 ms 100.0%
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 > ? 19 ms 190.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 4 ms 40.0%