Request Details

Route
/robots.txt GET
Timestamp
Sep 22, 2026 6:13 PM
Duration
10.0 ms
Status
204
Response Size
100 Bytes
Error
No

Performance Breakdown

Database
84.6% (3 queries)
View Rendering
0.0%
Application Logic
15.4%
Other Operations
0.0%
Total Operations
4
Slowest Operation
24.0 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
Database
0.0ms 16.3ms 32.5ms 48.8ms 65.0ms

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 COUNT(*) FROM comments WHERE post_id = ? 24 ms 240.0%
robots.txt#index 10 ms 100.0%
UPDATE posts SET view_count = view_count + ? WHERE published = ? 24 ms 240.0%
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... 7 ms 70.0%