Request Details

Route
/fast GET
Timestamp
Sep 22, 2026 11:53 PM
Duration
14.08 ms
Status
204
Response Size
1.4 KB
Error
No

Performance Breakdown

Database
39.0% (1 query)
View Rendering
0.0%
Application Logic
61.0%
Other Operations
0.0%
Total Operations
3
Slowest Operation
18.0 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 11.5ms 23.1ms 34.6ms 46.2ms

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 DISTINCT users.*, posts.*, comments.* FROM users, posts, comments WHERE users.id = posts.user_id AND posts.id = comments.post_id AND users.created_at > ? AND posts.created_at > ? AND comments.created_at > ? 18 ms 127.8%
home#fast 14 ms 100.0%
home#fast 14 ms 100.0%