Request Details

Route
/ GET
Timestamp
Sep 10, 2026 3:09 AM
Duration
279.44 ms
Status
201
Response Size
19 KB
Error
No

Performance Breakdown

Database
1.2% (3 queries)
View Rendering
10.5%
Application Logic
88.3%
Other Operations
0.0%
Total Operations
15
Slowest Operation
279.44 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 395.5ms 791.1ms 1186.6ms 1582.2ms

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 17 ms 6.1%
posts/show 17 ms 6.1%
SELECT users.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, SUM(posts.view_count) as total_views, AVG(posts.view_count) as avg_views, MIN(posts.created_at) as first_post, MAX(posts.created_at) as latest_post FR... 4 ms 1.4%
users/index 15 ms 5.4%
home#index 279 ms 100.0%
home#index 279 ms 100.0%
SELECT * FROM users WHERE id = ? 11 ms 3.9%
home#index 279 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... 4 ms 1.4%
users/index 38 ms 13.6%
home#index 279 ms 100.0%
users/index 27 ms 9.7%
home/index 15 ms 5.4%
posts/show 37 ms 13.2%
home#index 279 ms 100.0%