Request Details

Route
/robots.txt GET
Timestamp
Sep 12, 2026 5:12 AM
Duration
10.0 ms
Status
200
Response Size
100 Bytes
Error
No

Performance Breakdown

Database
18.4% (2 queries)
View Rendering
69.0%
Application Logic
12.7%
Other Operations
0.0%
Total Operations
8
Slowest Operation
40.0 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 39.5ms 79.0ms 118.5ms 158.0ms

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 users.*, posts.*, comments.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, AVG(posts.view_count) as avg_views, MAX(comments.created_at) as latest_comment FROM users LEFT JOIN posts ON users.id = posts.use... 3 ms 30.0%
robots.txt#index 10 ms 100.0%
users/index 30 ms 300.0%
robots.txt#index 10 ms 100.0%
layouts/application 40 ms 400.0%
INSERT INTO posts (user_id, title, content, published, created_at, updated_at) VALUES (?, ?, ?, ?, ?, ?) 26 ms 260.0%
layouts/application 28 ms 280.0%
posts/show 11 ms 110.0%