Request Details

Route
/ GET
Timestamp
Sep 22, 2026 9:29 PM
Duration
81.75 ms
Status
200
Response Size
19 KB
Error
No

Performance Breakdown

Database
10.8% (2 queries)
View Rendering
18.0%
Application Logic
71.2%
Other Operations
0.0%
Total Operations
11
Slowest Operation
81.75 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 143.4ms 286.9ms 430.3ms 573.7ms

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
home#index 82 ms 100.0%
SELECT * FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id LEFT JOIN tags ON posts.id = tags.post_id LEFT JOIN categories ON posts.category_id = categories.id WHERE users.active = ? AND posts.publi... 33 ms 40.4%
layouts/application 28 ms 34.3%
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... 29 ms 35.5%
home#index 82 ms 100.0%
home#index 82 ms 100.0%
home#index 82 ms 100.0%
layouts/application 27 ms 33.0%
users/index 29 ms 35.5%
layouts/application 19 ms 23.2%
home#index 82 ms 100.0%