Request Details

Route
/error_prone GET
Timestamp
Sep 22, 2026 8:24 PM
Duration
76.98 ms
Status
201
Response Size
8.8 KB
Error
No

Performance Breakdown

Database
8.2% (2 queries)
View Rendering
30.7%
Application Logic
61.1%
Other Operations
0.0%
Total Operations
9
Slowest Operation
76.98 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 94.5ms 189.0ms 283.4ms 377.9ms

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
home/index 37 ms 48.1%
home/index 23 ms 29.9%
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... 2 ms 2.6%
home/index 18 ms 23.4%
home#errors 77 ms 100.0%
home#errors 77 ms 100.0%
SELECT id, name, email FROM users WHERE id = ? 29 ms 37.7%
home/index 38 ms 49.4%
home#errors 77 ms 100.0%