Request Details

Route
/ GET
Timestamp
Sep 20, 2026 8:28 AM
Duration
93.89 ms
Status
201
Response Size
19 KB
Error
No

Performance Breakdown

Database
18.0% (7 queries)
View Rendering
3.7%
Application Logic
78.3%
Other Operations
0.0%
Total Operations
14
Slowest Operation
93.89 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 149.9ms 299.7ms 449.6ms 599.5ms

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
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 21 ms 22.4%
home#index 94 ms 100.0%
home#index 94 ms 100.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 5 ms 5.3%
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... 28 ms 29.8%
home#index 94 ms 100.0%
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... 9 ms 9.6%
home#index 94 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 > ? 3 ms 3.2%
home#index 94 ms 100.0%
SELECT name FROM users 14 ms 14.9%
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... 28 ms 29.8%
users/index 6 ms 6.4%
posts/show 16 ms 17.0%