Request Details

Route
/ GET
Timestamp
Sep 09, 2026 12:27 PM
Duration
123.75 ms
Status
200
Response Size
18 KB
Error
No

Performance Breakdown

Database
12.0% (3 queries)
View Rendering
17.5%
Application Logic
70.6%
Other Operations
0.0%
Total Operations
15
Slowest Operation
123.75 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 219.2ms 438.4ms 657.5ms 876.7ms

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 21 ms 17.0%
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 > ? 35 ms 28.3%
layouts/application 28 ms 22.6%
home/index 10 ms 8.1%
home#index 124 ms 100.0%
home#index 124 ms 100.0%
home/index 35 ms 28.3%
home/index 17 ms 13.7%
home/index 9 ms 7.3%
SELECT * FROM users WHERE id = ? 35 ms 28.3%
home#index 124 ms 100.0%
home#index 124 ms 100.0%
layouts/application 33 ms 26.7%
home#index 124 ms 100.0%
SELECT name FROM users 35 ms 28.3%