Request Details

Route
/robots.txt GET
Timestamp
Sep 12, 2026 2:31 AM
Duration
10.0 ms
Status
201
Response Size
100 Bytes
Error
No

Performance Breakdown

Database
23.0% (2 queries)
View Rendering
71.9%
Application Logic
5.1%
Other Operations
0.0%
Total Operations
8
Slowest Operation
39.0 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 49.0ms 98.0ms 147.0ms 196.0ms

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
posts/show 37 ms 370.0%
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... 25 ms 250.0%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 20 ms 200.0%
posts/show 18 ms 180.0%
layouts/application 8 ms 80.0%
posts/show 39 ms 390.0%
posts/show 39 ms 390.0%
robots.txt#index 10 ms 100.0%