Request Details

Route
/ GET
Timestamp
Sep 10, 2026 7:38 PM
Duration
42.63 ms
Status
204
Response Size
16 KB
Error
No

Performance Breakdown

Database
31.9% (5 queries)
View Rendering
29.5%
Application Logic
38.5%
Other Operations
0.0%
Total Operations
13
Slowest Operation
42.63 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 83.0ms 165.9ms 248.9ms 331.9ms

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 15 ms 35.2%
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... 32 ms 75.1%
SELECT posts.* FROM posts WHERE title LIKE ? OR content LIKE ? 25 ms 58.6%
home#index 43 ms 100.0%
home/index 6 ms 14.1%
home/index 37 ms 86.8%
users/index 6 ms 14.1%
DELETE FROM posts WHERE id = ? 21 ms 49.3%
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... 11 ms 25.8%
layouts/application 34 ms 79.8%
home#index 43 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... 17 ms 39.9%
home#index 43 ms 100.0%