Request Details

Route
/robots.txt GET
Timestamp
Sep 10, 2026 5:52 PM
Duration
10.0 ms
Status
204
Response Size
100 Bytes
Error
No

Performance Breakdown

Database
50.8% (4 queries)
View Rendering
41.5%
Application Logic
7.7%
Other Operations
0.0%
Total Operations
7
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
View
Database
0.0ms 32.5ms 65.0ms 97.5ms 130.0ms

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 title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 13 ms 130.0%
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... 22 ms 220.0%
UPDATE posts SET title = ?, content = ?, updated_at = ? WHERE id = ? 11 ms 110.0%
SELECT COUNT(*) FROM comments WHERE post_id = ? 20 ms 200.0%
posts/show 30 ms 300.0%
home/index 24 ms 240.0%