Request Details

Route
/ GET
Timestamp
Sep 12, 2026 12:11 AM
Duration
122.97 ms
Status
201
Response Size
8.7 KB
Error
No

Performance Breakdown

Database
26.8% (6 queries)
View Rendering
21.6%
Application Logic
51.6%
Other Operations
0.0%
Total Operations
11
Slowest Operation
122.97 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 119.2ms 238.5ms 357.7ms 476.9ms

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
users/index 27 ms 22.0%
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... 33 ms 26.8%
SELECT * FROM posts WHERE created_at > ? 4 ms 3.3%
home#index 123 ms 100.0%
home#index 123 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 > ? 31 ms 25.2%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 16 ms 13.0%
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 > ? 13 ms 10.6%
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... 31 ms 25.2%
layouts/application 38 ms 30.9%
layouts/application 38 ms 30.9%