Request Details

Route
/posts POST
Timestamp
Sep 10, 2026 9:23 AM
Duration
16.38 ms
Status
200
Response Size
12 KB
Error
No

Performance Breakdown

Database
9.7% (1 query)
View Rendering
50.7%
Application Logic
39.6%
Other Operations
0.0%
Total Operations
4
Slowest Operation
16.38 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 10.3ms 20.7ms 31.0ms 41.4ms

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 9 ms 54.9%
posts#create 16 ms 100.0%
users/index 12 ms 73.3%
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... 4 ms 24.4%