Request Details

Route
/robots.txt GET
Timestamp
Sep 17, 2026 11:23 AM
Duration
10.0 ms
Status
204
Response Size
100 Bytes
Error
No

Performance Breakdown

Database
26.2% (1 query)
View Rendering
65.9%
Application Logic
7.9%
Other Operations
0.0%
Total Operations
5
Slowest Operation
38.0 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 31.5ms 63.0ms 94.5ms 126.0ms

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%
layouts/application 38 ms 380.0%
layouts/application 24 ms 240.0%
layouts/application 21 ms 210.0%
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... 33 ms 330.0%