Request Details

Route
/ GET
Timestamp
Sep 10, 2026 11:27 AM
Duration
66.61 ms
Status
201
Response Size
18 KB
Error
No

Performance Breakdown

Database
19.6% (4 queries)
View Rendering
15.3%
Application Logic
65.2%
Other Operations
0.0%
Total Operations
12
Slowest Operation
66.61 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 127.8ms 255.5ms 383.3ms 511.0ms

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
layouts/application 33 ms 49.5%
home#index 67 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 > ? 22 ms 33.0%
home#index 67 ms 100.0%
home#index 67 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... 32 ms 48.0%
SELECT name FROM users 32 ms 48.0%
home#index 67 ms 100.0%
posts/show 9 ms 13.5%
SELECT users.*, posts.*, comments.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, AVG(posts.view_count) as avg_views, MAX(comments.created_at) as latest_comment FROM users LEFT JOIN posts ON users.id = posts.use... 14 ms 21.0%
home#index 67 ms 100.0%
users/index 36 ms 54.0%