Request Details

Route
/robots.txt GET
Timestamp
Sep 13, 2026 12:19 PM
Duration
10.0 ms
Status
200
Response Size
100 Bytes
Error
No

Performance Breakdown

Database
60.0% (4 queries)
View Rendering
26.2%
Application Logic
13.8%
Other Operations
0.0%
Total Operations
8
Slowest Operation
34.0 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
layouts/application 12 ms 120.0%
robots.txt#index 10 ms 100.0%
robots.txt#index 10 ms 100.0%
UPDATE posts SET title = ?, content = ?, updated_at = ? WHERE id = ? 34 ms 340.0%
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... 9 ms 90.0%
SELECT * FROM posts WHERE created_at > ? 13 ms 130.0%
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... 31 ms 310.0%
layouts/application 26 ms 260.0%