Request Details

Route
/fast GET
Timestamp
Sep 23, 2026 12:14 AM
Duration
10.0 ms
Status
204
Response Size
617 Bytes
Error
No

Performance Breakdown

Database
45.5% (1 query)
View Rendering
41.6%
Application Logic
13.0%
Other Operations
0.0%
Total Operations
3
Slowest Operation
35.0 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 19.3ms 38.5ms 57.8ms 77.0ms

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
home#fast 10 ms 100.0%
users/index 32 ms 320.0%
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... 35 ms 350.0%