Request Details

Route
/ GET
Timestamp
Sep 12, 2026 8:12 PM
Duration
66.34 ms
Status
204
Response Size
8.7 KB
Error
No

Performance Breakdown

Database
14.9% (2 queries)
View Rendering
35.5%
Application Logic
49.6%
Other Operations
0.0%
Total Operations
10
Slowest Operation
66.34 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 66.9ms 133.8ms 200.8ms 267.7ms

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 11 ms 16.6%
SELECT * FROM (SELECT users.id, users.name, users.email, COUNT(posts.id) as post_count FROM users LEFT JOIN posts ON users.id = posts.user_id WHERE users.active = ? GROUP BY users.id) as user_posts JOIN (SELECT user_id, COUNT(*) as comment_count FROM c... 10 ms 15.1%
SELECT name FROM users 30 ms 45.2%
home/index 13 ms 19.6%
layouts/application 8 ms 12.1%
layouts/application 28 ms 42.2%
home/index 13 ms 19.6%
layouts/application 22 ms 33.2%
home#index 66 ms 100.0%
home#index 66 ms 100.0%