Request Details

Route
/ GET
Timestamp
Sep 10, 2026 11:47 PM
Duration
146.98 ms
Status
201
Response Size
21 KB
Error
No

Performance Breakdown

Database
14.9% (5 queries)
View Rendering
23.8%
Application Logic
61.3%
Other Operations
0.0%
Total Operations
15
Slowest Operation
146.98 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 179.7ms 359.5ms 539.2ms 718.9ms

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 28 ms 19.1%
home#index 147 ms 100.0%
home#index 147 ms 100.0%
home/index 30 ms 20.4%
home/index 16 ms 10.9%
SELECT * FROM (SELECT users.id, users.name, users.email, COUNT(posts.id) as post_count FROM users LEFT JOIN posts ON users.id = posts.user_id WHERE users.active = ? GROUP BY users.id) as user_posts JOIN (SELECT user_id, COUNT(*) as comment_count FROM c... 29 ms 19.7%
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... 17 ms 11.6%
UPDATE posts SET title = ?, content = ?, updated_at = ? WHERE id = ? 20 ms 13.6%
home/index 35 ms 23.8%
SELECT * FROM posts WHERE created_at > ? 33 ms 22.5%
SELECT * FROM users WHERE id = ? 8 ms 5.4%
layouts/application 22 ms 15.0%
home#index 147 ms 100.0%
home/index 35 ms 23.8%
posts/show 5 ms 3.4%