Request Details

Route
/sign_in GET|POST
Timestamp
Sep 22, 2026 6:18 AM
Duration
72.43 ms
Status
200
Response Size
3.6 KB
Error
No

Performance Breakdown

Database
16.6% (2 queries)
View Rendering
32.2%
Application Logic
51.2%
Other Operations
0.0%
Total Operations
8
Slowest Operation
72.43 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 70.7ms 141.4ms 212.1ms 282.9ms

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 30 ms 41.4%
layouts/application 36 ms 49.7%
home/index 5 ms 6.9%
home/index 20 ms 27.6%
sessions#new 72 ms 100.0%
SELECT posts.title, posts.content, users.name FROM posts JOIN users ON posts.user_id = users.id WHERE posts.published = ? 25 ms 34.5%
sessions#new 72 ms 100.0%
SELECT * FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id LEFT JOIN tags ON posts.id = tags.post_id LEFT JOIN categories ON posts.category_id = categories.id WHERE users.active = ? AND posts.publi... 22 ms 30.4%