Request Details

Route
/ GET
Timestamp
Sep 09, 2026 3:32 PM
Duration
52.57 ms
Status
204
Response Size
11 KB
Error
No

Performance Breakdown

Database
24.8% (6 queries)
View Rendering
15.1%
Application Logic
60.0%
Other Operations
0.0%
Total Operations
13
Slowest Operation
52.57 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 87.6ms 175.1ms 262.7ms 350.3ms

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 * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 24 ms 45.7%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 1 ms 1.9%
SELECT * FROM posts WHERE created_at > ? 28 ms 53.3%
home#index 53 ms 100.0%
users/index 26 ms 49.5%
SELECT users.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, SUM(posts.view_count) as total_views, AVG(posts.view_count) as avg_views, MIN(posts.created_at) as first_post, MAX(posts.created_at) as latest_post FR... 18 ms 34.2%
home#index 53 ms 100.0%
home#index 53 ms 100.0%
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 19.0%
SELECT * FROM users WHERE id = ? 6 ms 11.4%
layouts/application 8 ms 15.2%
users/index 19 ms 36.1%
home#index 53 ms 100.0%