Request Details

Route
/ GET
Timestamp
Sep 22, 2026 7:04 AM
Duration
109.9 ms
Status
201
Response Size
21 KB
Error
No

Performance Breakdown

Database
7.3% (4 queries)
View Rendering
18.0%
Application Logic
74.7%
Other Operations
0.0%
Total Operations
13
Slowest Operation
109.9 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 147.2ms 294.3ms 441.5ms 588.6ms

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
users/index 24 ms 21.8%
home#index 110 ms 100.0%
home#index 110 ms 100.0%
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... 15 ms 13.6%
SELECT users.*, posts.*, comments.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, AVG(posts.view_count) as avg_views, MAX(comments.created_at) as latest_comment FROM users LEFT JOIN posts ON users.id = posts.use... 12 ms 10.9%
SELECT COUNT(*) FROM comments WHERE post_id = ? 4 ms 3.6%
home/index 21 ms 19.1%
users/index 31 ms 28.2%
home#index 110 ms 100.0%
home#index 110 ms 100.0%
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... 12 ms 10.9%
home/index 15 ms 13.6%
home/index 15 ms 13.6%