Request Details

Route
/ GET
Timestamp
Sep 09, 2026 5:38 PM
Duration
85.34 ms
Status
200
Response Size
14 KB
Error
No

Performance Breakdown

Database
24.4% (4 queries)
View Rendering
52.9%
Application Logic
22.7%
Other Operations
0.0%
Total Operations
13
Slowest Operation
85.34 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 94.1ms 188.2ms 282.3ms 376.3ms

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 85 ms 100.0%
users/index 16 ms 18.7%
SELECT users.* FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id WHERE users.active = ? AND posts.published = ? AND comments.approved = ? OR users.created_at > ? AND posts.created_at > ? AND commen... 21 ms 24.6%
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... 8 ms 9.4%
posts/show 13 ms 15.2%
layouts/application 39 ms 45.7%
home/index 11 ms 12.9%
SELECT id, name FROM users WHERE email = ? 35 ms 41.0%
users/index 16 ms 18.7%
posts/show 36 ms 42.2%
layouts/application 32 ms 37.5%
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... 28 ms 32.8%
posts/show 36 ms 42.2%