Request Details

Route
/ GET
Timestamp
Sep 22, 2026 11:11 PM
Duration
67.44 ms
Status
200
Response Size
15 KB
Error
No

Performance Breakdown

Database
42.1% (8 queries)
View Rendering
23.9%
Application Logic
34.0%
Other Operations
0.0%
Total Operations
15
Slowest Operation
67.44 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 99.2ms 198.4ms 297.7ms 396.9ms

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
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... 24 ms 35.6%
users/index 27 ms 40.0%
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 > ? 19 ms 28.2%
layouts/application 28 ms 41.5%
home#index 67 ms 100.0%
home#index 67 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... 16 ms 23.7%
SELECT * FROM posts WHERE created_at > ? 21 ms 31.1%
home/index 8 ms 11.9%
home/index 11 ms 16.3%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 29 ms 43.0%
SELECT id, name, email FROM users WHERE id = ? 19 ms 28.2%
layouts/application 21 ms 31.1%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 27 ms 40.0%
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... 12 ms 17.8%