Request Details

Route
/ GET
Timestamp
Sep 10, 2026 10:40 PM
Duration
97.03 ms
Status
200
Response Size
15 KB
Error
No

Performance Breakdown

Database
11.2% (5 queries)
View Rendering
17.6%
Application Logic
71.2%
Other Operations
0.0%
Total Operations
15
Slowest Operation
97.03 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 170.3ms 340.6ms 510.9ms 681.2ms

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 97 ms 100.0%
home#index 97 ms 100.0%
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 > ? 18 ms 18.6%
home#index 97 ms 100.0%
home#index 97 ms 100.0%
users/index 16 ms 16.5%
SELECT * FROM users WHERE id = ? 12 ms 12.4%
home#index 97 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... 23 ms 23.7%
SELECT * FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id LEFT JOIN tags ON posts.id = tags.post_id LEFT JOIN categories ON posts.category_id = categories.id WHERE users.active = ? AND posts.publi... 7 ms 7.2%
home/index 27 ms 27.8%
users/index 34 ms 35.0%
SELECT name FROM users 16 ms 16.5%
home/index 12 ms 12.4%
layouts/application 31 ms 31.9%