Request Details

Route
/ GET
Timestamp
Sep 11, 2026 12:31 AM
Duration
99.37 ms
Status
200
Response Size
14 KB
Error
No

Performance Breakdown

Database
34.0% (6 queries)
View Rendering
15.1%
Application Logic
50.9%
Other Operations
0.0%
Total Operations
10
Slowest Operation
99.37 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 97.7ms 195.4ms 293.1ms 390.7ms

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
SELECT name FROM users 26 ms 26.2%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 31 ms 31.2%
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... 17 ms 17.1%
home#index 99 ms 100.0%
UPDATE posts SET view_count = view_count + ? WHERE published = ? 14 ms 14.1%
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 > ? 19 ms 19.1%
users/index 23 ms 23.1%
SELECT * FROM users WHERE id = ? 26 ms 26.2%
home#index 99 ms 100.0%
layouts/application 36 ms 36.2%