Request Details

Route
/sign_in GET|POST
Timestamp
Sep 22, 2026 3:47 PM
Duration
31.32 ms
Status
200
Response Size
5.5 KB
Error
No

Performance Breakdown

Database
40.9% (2 queries)
View Rendering
59.1%
Application Logic
0.0%
Other Operations
0.0%
Total Operations
4
Slowest Operation
32.0 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
View
Database
0.0ms 16.5ms 33.0ms 49.5ms 66.0ms

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 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... 11 ms 35.1%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 16 ms 51.1%
home/index 32 ms 102.2%
layouts/application 7 ms 22.3%