Request Details

Route
/ GET
Timestamp
Sep 12, 2026 4:55 PM
Duration
126.71 ms
Status
204
Response Size
13 KB
Error
No

Performance Breakdown

Database
4.2% (4 queries)
View Rendering
7.7%
Application Logic
88.1%
Other Operations
0.0%
Total Operations
15
Slowest Operation
126.71 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 251.7ms 503.5ms 755.2ms 1007.0ms

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 127 ms 100.0%
home#index 127 ms 100.0%
home/index 13 ms 10.3%
home#index 127 ms 100.0%
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... 27 ms 21.3%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 10 ms 7.9%
home#index 127 ms 100.0%
SELECT name FROM users 3 ms 2.4%
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... 2 ms 1.6%
home#index 127 ms 100.0%
posts/show 30 ms 23.7%
users/index 14 ms 11.0%
posts/show 21 ms 16.6%
home#index 127 ms 100.0%
home#index 127 ms 100.0%