Request Details

Route
/robots.txt GET
Timestamp
Sep 15, 2026 12:12 AM
Duration
10.0 ms
Status
200
Response Size
100 Bytes
Error
No

Performance Breakdown

Database
30.8% (2 queries)
View Rendering
69.2%
Application Logic
0.0%
Other Operations
0.0%
Total Operations
5
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
View
Database
0.0ms 35.8ms 71.5ms 107.3ms 143.0ms

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 name FROM users 22 ms 220.0%
users/index 40 ms 400.0%
posts/show 32 ms 320.0%
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... 22 ms 220.0%
users/index 27 ms 270.0%