Request Details

Route
/ GET
Timestamp
Sep 17, 2026 5:34 AM
Duration
55.33 ms
Status
201
Response Size
12 KB
Error
No

Performance Breakdown

Database
20.0% (5 queries)
View Rendering
18.5%
Application Logic
61.5%
Other Operations
0.0%
Total Operations
11
Slowest Operation
55.33 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 67.5ms 135.0ms 202.5ms 270.0ms

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
home/index 39 ms 70.5%
home#index 55 ms 100.0%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 12 ms 21.7%
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... 12 ms 21.7%
home#index 55 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... 1 ms 1.8%
layouts/application 5 ms 9.0%
home#index 55 ms 100.0%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 5 ms 9.0%
home/index 6 ms 10.8%
SELECT * FROM users WHERE id = ? 24 ms 43.4%