Request Details

Route
/fast GET
Timestamp
Sep 10, 2026 12:28 PM
Duration
10.0 ms
Status
201
Response Size
1.3 KB
Error
No

Performance Breakdown

Database
82.5% (1 query)
View Rendering
17.5%
Application Logic
0.0%
Other Operations
0.0%
Total Operations
2
Slowest Operation
33.0 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 10.0ms 20.0ms 30.0ms 40.0ms

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
layouts/application 7 ms 70.0%
SELECT users.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, SUM(posts.view_count) as total_views, AVG(posts.view_count) as avg_views, MIN(posts.created_at) as first_post, MAX(posts.created_at) as latest_post FR... 33 ms 330.0%