Request Details

Route
/fast GET
Timestamp
Sep 23, 2026 7:58 AM
Duration
10.0 ms
Status
201
Response Size
2 KB
Error
No

Performance Breakdown

Database
70.0% (1 query)
View Rendering
30.0%
Application Logic
0.0%
Other Operations
0.0%
Total Operations
2
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
View
Database
0.0ms 12.5ms 25.0ms 37.5ms 50.0ms

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
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%
home/index 15 ms 150.0%