Request Details

Route
/ GET
Timestamp
Sep 22, 2026 8:07 PM
Duration
120.68 ms
Status
200
Response Size
20 KB
Error
No

Performance Breakdown

Database
27.1% (6 queries)
View Rendering
18.5%
Application Logic
54.4%
Other Operations
0.0%
Total Operations
12
Slowest Operation
120.68 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 110.8ms 221.7ms 332.5ms 443.4ms

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 9.1%
posts/show 13 ms 10.8%
SELECT * FROM posts WHERE created_at > ? 32 ms 26.5%
SELECT * FROM users WHERE id = ? 7 ms 5.8%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 13 ms 10.8%
posts/show 26 ms 21.5%
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... 10 ms 8.3%
home#index 121 ms 100.0%
home#index 121 ms 100.0%
SELECT COUNT(*) FROM comments WHERE post_id = ? 29 ms 24.0%
SELECT * FROM users WHERE id = ? 29 ms 24.0%
layouts/application 32 ms 26.5%