Request Details

Route
/ GET
Timestamp
Sep 14, 2026 1:41 PM
Duration
58.26 ms
Status
200
Response Size
18 KB
Error
No

Performance Breakdown

Database
39.9% (8 queries)
View Rendering
19.3%
Application Logic
40.8%
Other Operations
0.0%
Total Operations
13
Slowest Operation
58.26 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 71.4ms 142.8ms 214.1ms 285.5ms

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
SELECT * FROM users WHERE id = ? 1 ms 1.7%
home#index 58 ms 100.0%
home/index 5 ms 8.6%
SELECT * FROM posts WHERE created_at > ? 3 ms 5.1%
SELECT users.* FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id WHERE users.active = ? AND posts.published = ? AND comments.approved = ? OR users.created_at > ? AND posts.created_at > ? AND commen... 29 ms 49.8%
SELECT name FROM users 22 ms 37.8%
SELECT DISTINCT users.*, posts.*, comments.* FROM users, posts, comments WHERE users.id = posts.user_id AND posts.id = comments.post_id AND users.created_at > ? AND posts.created_at > ? AND comments.created_at > ? 6 ms 10.3%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 5 ms 8.6%
users/index 10 ms 17.2%
home#index 58 ms 100.0%
SELECT users.* FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id WHERE users.active = ? AND posts.published = ? AND comments.approved = ? OR users.created_at > ? AND posts.created_at > ? AND commen... 16 ms 27.5%
home/index 40 ms 68.7%
SELECT name FROM users 32 ms 54.9%