Request Details

Route
/ GET
Timestamp
Sep 22, 2026 9:24 AM
Duration
72.1 ms
Status
200
Response Size
9.4 KB
Error
No

Performance Breakdown

Database
11.3% (3 queries)
View Rendering
12.0%
Application Logic
76.6%
Other Operations
0.0%
Total Operations
12
Slowest Operation
72.1 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 141.2ms 282.3ms 423.5ms 564.6ms

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 72 ms 100.0%
users/index 10 ms 13.9%
home#index 72 ms 100.0%
home#index 72 ms 100.0%
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... 35 ms 48.5%
home#index 72 ms 100.0%
users/index 34 ms 47.2%
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... 10 ms 13.9%
SELECT name FROM users 19 ms 26.4%
home#index 72 ms 100.0%
home#index 72 ms 100.0%
layouts/application 24 ms 33.3%