Request Details

Route
/users/:id GET
Timestamp
Sep 17, 2026 8:05 AM
Duration
52.54 ms
Status
200
Response Size
6.6 KB
Error
No

Performance Breakdown

Database
22.4% (2 queries)
View Rendering
8.3%
Application Logic
69.2%
Other Operations
0.0%
Total Operations
6
Slowest Operation
52.54 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 56.9ms 113.8ms 170.7ms 227.6ms

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 19 ms 36.2%
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... 24 ms 45.7%
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... 27 ms 51.4%
users#show 53 ms 100.0%
users#show 53 ms 100.0%
users#show 53 ms 100.0%