Request Details

Route
/robots.txt GET
Timestamp
Sep 18, 2026 7:28 AM
Duration
10.0 ms
Status
204
Response Size
128 Bytes
Error
No

Performance Breakdown

Database
17.7% (2 queries)
View Rendering
76.2%
Application Logic
6.1%
Other Operations
0.0%
Total Operations
7
Slowest Operation
33.0 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 41.0ms 82.0ms 123.0ms 164.0ms

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
users/index 33 ms 330.0%
layouts/application 27 ms 270.0%
SELECT users.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, SUM(posts.view_count) as total_views, AVG(posts.view_count) as avg_views, MIN(posts.created_at) as first_post, MAX(posts.created_at) as latest_post FR... 28 ms 280.0%
users/index 33 ms 330.0%
robots.txt#index 10 ms 100.0%
posts/show 32 ms 320.0%
SELECT name FROM users 1 ms 10.0%