Request Details

Route
/fast GET
Timestamp
Sep 09, 2026 1:37 PM
Duration
14.53 ms
Status
204
Response Size
516 Bytes
Error
No

Performance Breakdown

Database
40.8% (1 query)
View Rendering
0.0%
Application Logic
59.2%
Other Operations
0.0%
Total Operations
3
Slowest Operation
20.0 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 12.3ms 24.5ms 36.8ms 49.1ms

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
home#fast 15 ms 100.0%
home#fast 15 ms 100.0%
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... 20 ms 137.7%