Request Details

Route
/ GET
Timestamp
Sep 20, 2026 4:29 AM
Duration
79.82 ms
Status
204
Response Size
22 KB
Error
No

Performance Breakdown

Database
20.3% (5 queries)
View Rendering
5.6%
Application Logic
74.2%
Other Operations
0.0%
Total Operations
11
Slowest Operation
79.82 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 134.5ms 269.1ms 403.6ms 538.1ms

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 (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... 22 ms 27.6%
home#index 80 ms 100.0%
home#index 80 ms 100.0%
UPDATE posts SET title = ?, content = ?, updated_at = ? WHERE id = ? 20 ms 25.1%
home/index 30 ms 37.6%
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... 18 ms 22.5%
home#index 80 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... 21 ms 26.3%
home#index 80 ms 100.0%
SELECT id, name FROM users WHERE email = ? 28 ms 35.1%
home#index 80 ms 100.0%