Request Details

Route
/ GET
Timestamp
Sep 16, 2026 12:42 AM
Duration
156.14 ms
Status
204
Response Size
19 KB
Error
No

Performance Breakdown

Database
18.4% (6 queries)
View Rendering
12.2%
Application Logic
69.4%
Other Operations
0.0%
Total Operations
10
Slowest Operation
156.14 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 112.6ms 225.1ms 337.7ms 450.3ms

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
home#index 156 ms 100.0%
home/index 31 ms 19.9%
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 > ? 24 ms 15.4%
users/index 24 ms 15.4%
SELECT posts.* FROM posts WHERE title LIKE ? OR content LIKE ? 26 ms 16.7%
SELECT name FROM users 7 ms 4.5%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 20 ms 12.8%
home#index 156 ms 100.0%
SELECT id, name, email FROM users WHERE id = ? 4 ms 2.6%
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... 2 ms 1.3%