Request Details

Route
/robots.txt GET
Timestamp
Sep 22, 2026 12:42 PM
Duration
10.0 ms
Status
200
Response Size
160 Bytes
Error
No

Performance Breakdown

Database
46.8% (4 queries)
View Rendering
41.5%
Application Logic
11.7%
Other Operations
0.0%
Total Operations
8
Slowest Operation
39.0 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 42.8ms 85.5ms 128.3ms 171.0ms

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 name FROM users 18 ms 180.0%
SELECT * FROM users WHERE id = ? 22 ms 220.0%
home/index 39 ms 390.0%
SELECT * FROM (SELECT users.id, users.name, users.email, COUNT(posts.id) as post_count FROM users LEFT JOIN posts ON users.id = posts.user_id WHERE users.active = ? GROUP BY users.id) as user_posts JOIN (SELECT user_id, COUNT(*) as comment_count FROM c... 13 ms 130.0%
robots.txt#index 10 ms 100.0%
layouts/application 32 ms 320.0%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 27 ms 270.0%