Request Details

Route
/ GET
Timestamp
Sep 18, 2026 1:43 PM
Duration
70.3 ms
Status
200
Response Size
8.9 KB
Error
No

Performance Breakdown

Database
13.9% (4 queries)
View Rendering
16.4%
Application Logic
69.7%
Other Operations
0.0%
Total Operations
12
Slowest Operation
70.3 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 100.8ms 201.6ms 302.4ms 403.2ms

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 70 ms 100.0%
layouts/application 29 ms 41.3%
SELECT * FROM users WHERE id = ? 8 ms 11.4%
home#index 70 ms 100.0%
home#index 70 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... 3 ms 4.3%
home#index 70 ms 100.0%
posts/show 12 ms 17.1%
SELECT * FROM posts WHERE created_at > ? 24 ms 34.1%
layouts/application 5 ms 7.1%
posts/show 20 ms 28.4%
SELECT * FROM (SELECT users.id, users.name, users.email, COUNT(posts.id) as post_count FROM users LEFT JOIN posts ON users.id = posts.user_id WHERE users.active = ? GROUP BY users.id) as user_posts JOIN (SELECT user_id, COUNT(*) as comment_count FROM c... 21 ms 29.9%