Request Details

Route
/ GET
Timestamp
Sep 22, 2026 11:08 AM
Duration
52.12 ms
Status
201
Response Size
22 KB
Error
No

Performance Breakdown

Database
10.4% (3 queries)
View Rendering
12.2%
Application Logic
77.4%
Other Operations
0.0%
Total Operations
14
Slowest Operation
52.12 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 134.7ms 269.5ms 404.2ms 539.0ms

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
home#index 52 ms 100.0%
layouts/application 17 ms 32.6%
home#index 52 ms 100.0%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 27 ms 51.8%
home#index 52 ms 100.0%
SELECT * FROM users WHERE id = ? 6 ms 11.5%
home#index 52 ms 100.0%
posts/show 13 ms 24.9%
home/index 36 ms 69.1%
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... 23 ms 44.1%
home#index 52 ms 100.0%
home#index 52 ms 100.0%
home#index 52 ms 100.0%