Request Details

Route
/fast GET
Timestamp
Sep 23, 2026 12:10 AM
Duration
14.17 ms
Status
204
Response Size
728 Bytes
Error
No

Performance Breakdown

Database
80.4% (2 queries)
View Rendering
19.6%
Application Logic
0.0%
Other Operations
0.0%
Total Operations
3
Slowest Operation
30.0 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 11.5ms 23.0ms 34.5ms 46.0ms

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
INSERT INTO posts (user_id, title, content, published, created_at, updated_at) VALUES (?, ?, ?, ?, ?, ?) 7 ms 49.4%
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... 30 ms 211.7%
posts/show 9 ms 63.5%