Request Details

Route
/error_prone GET
Timestamp
Sep 22, 2026 5:51 PM
Duration
97.04 ms
Status
201
Response Size
5.1 KB
Error
No

Performance Breakdown

Database
2.9% (1 query)
View Rendering
25.9%
Application Logic
71.1%
Other Operations
0.0%
Total Operations
14
Slowest Operation
97.04 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 170.5ms 341.1ms 511.6ms 682.2ms

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
users/index 20 ms 20.6%
home#errors 97 ms 100.0%
home#errors 97 ms 100.0%
home/index 34 ms 35.0%
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... 20 ms 20.6%
home#errors 97 ms 100.0%
users/index 14 ms 14.4%
posts/show 36 ms 37.1%
users/index 21 ms 21.6%
home#errors 97 ms 100.0%
home#errors 97 ms 100.0%
users/index 9 ms 9.3%
home/index 14 ms 14.4%
home/index 29 ms 29.9%