Request Details

Route
/error_prone GET
Timestamp
Sep 18, 2026 10:54 PM
Duration
65.51 ms
Status
200
Response Size
7.9 KB
Error
No

Performance Breakdown

Database
15.0% (5 queries)
View Rendering
41.0%
Application Logic
44.0%
Other Operations
0.0%
Total Operations
16
Slowest Operation
65.51 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 111.6ms 223.3ms 334.9ms 446.5ms

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
SELECT * FROM posts WHERE created_at > ? 6 ms 9.2%
home/index 21 ms 32.1%
layouts/application 7 ms 10.7%
home/index 39 ms 59.5%
layouts/application 33 ms 50.4%
layouts/application 14 ms 21.4%
home#errors 66 ms 100.0%
SELECT posts.* FROM posts WHERE title LIKE ? OR content LIKE ? 10 ms 15.3%
layouts/application 13 ms 19.8%
home#errors 66 ms 100.0%
SELECT posts.title, posts.content, users.name FROM posts JOIN users ON posts.user_id = users.id WHERE posts.published = ? 16 ms 24.4%
SELECT name FROM users 11 ms 16.8%
home#errors 66 ms 100.0%
home/index 18 ms 27.5%
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... 24 ms 36.6%
layouts/application 38 ms 58.0%