Request Details

Route
/robots.txt GET
Timestamp
Sep 15, 2026 10:04 PM
Duration
10.0 ms
Status
200
Response Size
100 Bytes
Error
No

Performance Breakdown

Database
32.8% (3 queries)
View Rendering
56.5%
Application Logic
10.8%
Other Operations
0.0%
Total Operations
8
Slowest Operation
37.0 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 46.5ms 93.0ms 139.5ms 186.0ms

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
home/index 37 ms 370.0%
UPDATE posts SET view_count = view_count + ? WHERE published = ? 22 ms 220.0%
robots.txt#index 10 ms 100.0%
SELECT * FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id LEFT JOIN tags ON posts.id = tags.post_id LEFT JOIN categories ON posts.category_id = categories.id WHERE users.active = ? AND posts.publi... 21 ms 210.0%
DELETE FROM posts WHERE id = ? 18 ms 180.0%
users/index 33 ms 330.0%
home/index 35 ms 350.0%
robots.txt#index 10 ms 100.0%