Request Details

Route
/ GET
Timestamp
Sep 09, 2026 12:56 PM
Duration
137.26 ms
Status
200
Response Size
9.7 KB
Error
No

Performance Breakdown

Database
16.9% (5 queries)
View Rendering
3.1%
Application Logic
80.0%
Other Operations
0.0%
Total Operations
9
Slowest Operation
137.26 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 128.7ms 257.4ms 386.1ms 514.8ms

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 posts WHERE created_at > ? 15 ms 10.9%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 31 ms 22.6%
home#index 137 ms 100.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 18 ms 13.1%
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... 22 ms 16.0%
home#index 137 ms 100.0%
home#index 137 ms 100.0%
home/index 16 ms 11.7%
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... 1 ms 0.7%