Request Details

Route
/ GET
Timestamp
Sep 18, 2026 1:36 PM
Duration
89.98 ms
Status
201
Response Size
14 KB
Error
No

Performance Breakdown

Database
18.4% (4 queries)
View Rendering
16.0%
Application Logic
65.5%
Other Operations
0.0%
Total Operations
10
Slowest Operation
89.98 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 103.0ms 206.0ms 308.9ms 411.9ms

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 name FROM users 25 ms 27.8%
home#index 90 ms 100.0%
home#index 90 ms 100.0%
SELECT name FROM users 13 ms 14.4%
users/index 8 ms 8.9%
posts/show 20 ms 22.2%
home/index 38 ms 42.2%
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 30.0%
home#index 90 ms 100.0%
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... 11 ms 12.2%