Request Details

Route
/ GET
Timestamp
Sep 15, 2026 4:47 PM
Duration
75.62 ms
Status
204
Response Size
17 KB
Error
No

Performance Breakdown

Database
15.2% (4 queries)
View Rendering
32.1%
Application Logic
52.7%
Other Operations
0.0%
Total Operations
14
Slowest Operation
75.62 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 143.4ms 286.7ms 430.1ms 573.5ms

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 51.6%
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... 2 ms 2.6%
posts/show 16 ms 21.2%
users/index 32 ms 42.3%
home/index 22 ms 29.1%
home#index 76 ms 100.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 30 ms 39.7%
home#index 76 ms 100.0%
posts/show 40 ms 52.9%
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... 22 ms 29.1%
home#index 76 ms 100.0%
SELECT users.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, SUM(posts.view_count) as total_views, AVG(posts.view_count) as avg_views, MIN(posts.created_at) as first_post, MAX(posts.created_at) as latest_post FR... 33 ms 43.6%
users/index 35 ms 46.3%
home#index 76 ms 100.0%