Request Details

Route
/ GET
Timestamp
Sep 11, 2026 12:21 AM
Duration
68.12 ms
Status
201
Response Size
26 KB
Error
No

Performance Breakdown

Database
21.5% (6 queries)
View Rendering
12.6%
Application Logic
65.9%
Other Operations
0.0%
Total Operations
15
Slowest Operation
68.12 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 129.2ms 258.3ms 387.5ms 516.6ms

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 68 ms 100.0%
layouts/application 26 ms 38.2%
posts/show 16 ms 23.5%
DELETE FROM comments WHERE created_at < ? 1 ms 1.5%
home#index 68 ms 100.0%
users/index 7 ms 10.3%
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... 20 ms 29.4%
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 > ? 5 ms 7.3%
home#index 68 ms 100.0%
home#index 68 ms 100.0%
layouts/application 16 ms 23.5%
SELECT name FROM users 34 ms 49.9%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 33 ms 48.4%
home#index 68 ms 100.0%
SELECT * FROM users WHERE id = ? 18 ms 26.4%