Request Details

Route
/ GET
Timestamp
Sep 09, 2026 7:29 PM
Duration
100.74 ms
Status
204
Response Size
16 KB
Error
No

Performance Breakdown

Database
8.3% (3 queries)
View Rendering
19.1%
Application Logic
72.6%
Other Operations
0.0%
Total Operations
12
Slowest Operation
100.74 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 138.7ms 277.5ms 416.2ms 555.0ms

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 12 ms 11.9%
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... 5 ms 5.0%
users/index 5 ms 5.0%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 35 ms 34.7%
users/index 25 ms 24.8%
layouts/application 40 ms 39.7%
home#index 101 ms 100.0%
home#index 101 ms 100.0%
home#index 101 ms 100.0%
layouts/application 24 ms 23.8%
home#index 101 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... 6 ms 6.0%