Request Details

Route
/ GET
Timestamp
Sep 19, 2026 4:30 AM
Duration
51.88 ms
Status
204
Response Size
10 KB
Error
No

Performance Breakdown

Database
21.6% (4 queries)
View Rendering
13.3%
Application Logic
65.1%
Other Operations
0.0%
Total Operations
12
Slowest Operation
51.88 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 99.6ms 199.2ms 298.8ms 398.4ms

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
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... 29 ms 55.9%
home#index 52 ms 100.0%
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 > ? 33 ms 63.6%
SELECT posts.title, posts.content, users.name FROM posts JOIN users ON posts.user_id = users.id WHERE posts.published = ? 2 ms 3.9%
home#index 52 ms 100.0%
home#index 52 ms 100.0%
home/index 17 ms 32.8%
users/index 15 ms 28.9%
SELECT name FROM users 22 ms 42.4%
home#index 52 ms 100.0%
home/index 21 ms 40.5%
home#index 52 ms 100.0%