Request Details

Route
/ GET
Timestamp
Sep 16, 2026 9:47 AM
Duration
51.56 ms
Status
204
Response Size
9.7 KB
Error
No

Performance Breakdown

Database
2.6% (1 query)
View Rendering
20.0%
Application Logic
77.5%
Other Operations
0.0%
Total Operations
13
Slowest Operation
51.56 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 116.5ms 233.0ms 349.4ms 465.9ms

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#index 52 ms 100.0%
home/index 13 ms 25.2%
home#index 52 ms 100.0%
layouts/application 23 ms 44.6%
home/index 8 ms 15.5%
home#index 52 ms 100.0%
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... 12 ms 23.3%
home#index 52 ms 100.0%
home/index 40 ms 77.6%
layouts/application 9 ms 17.5%
home#index 52 ms 100.0%
home#index 52 ms 100.0%
home#index 52 ms 100.0%