Request Details

Route
/robots.txt GET
Timestamp
Sep 09, 2026 11:07 PM
Duration
30.0 ms
Status
201
Response Size
100 Bytes
Error
No

Performance Breakdown

Database
37.2% (3 queries)
View Rendering
42.1%
Application Logic
20.7%
Other Operations
0.0%
Total Operations
6
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 36.3ms 72.5ms 108.8ms 145.0ms

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 5 ms 16.7%
robots.txt#index 30 ms 100.0%
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... 18 ms 60.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 31 ms 103.3%
users/index 24 ms 80.0%
home/index 37 ms 123.3%