Request Details

Route
/ GET
Timestamp
Sep 22, 2026 11:51 PM
Duration
82.54 ms
Status
204
Response Size
11 KB
Error
No

Performance Breakdown

Database
12.4% (4 queries)
View Rendering
4.4%
Application Logic
83.2%
Other Operations
0.0%
Total Operations
11
Slowest Operation
82.54 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 148.8ms 297.6ms 446.4ms 595.2ms

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 83 ms 100.0%
home#index 83 ms 100.0%
home#index 83 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... 26 ms 31.5%
home#index 83 ms 100.0%
home/index 26 ms 31.5%
home#index 83 ms 100.0%
SELECT users.* FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id WHERE users.active = ? AND posts.published = ? AND comments.approved = ? OR users.created_at > ? AND posts.created_at > ? AND commen... 9 ms 10.9%
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... 34 ms 41.2%
SELECT id, name FROM users WHERE email = ? 5 ms 6.1%
home#index 83 ms 100.0%