Request Details

Route
/ GET
Timestamp
Sep 15, 2026 7:50 PM
Duration
41.27 ms
Status
200
Response Size
16 KB
Error
No

Performance Breakdown

Database
18.1% (3 queries)
View Rendering
22.1%
Application Logic
59.8%
Other Operations
0.0%
Total Operations
11
Slowest Operation
41.27 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 69.0ms 138.0ms 207.0ms 276.1ms

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 41 ms 100.0%
home#index 41 ms 100.0%
layouts/application 11 ms 26.7%
home#index 41 ms 100.0%
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... 26 ms 63.0%
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... 15 ms 36.3%
home#index 41 ms 100.0%
home/index 11 ms 26.7%
layouts/application 8 ms 19.4%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 9 ms 21.8%
layouts/application 31 ms 75.1%