Request Details

Route
/sign_in GET|POST
Timestamp
Sep 22, 2026 10:48 PM
Duration
27.99 ms
Status
204
Response Size
7.1 KB
Error
No

Performance Breakdown

Database
27.8% (1 query)
View Rendering
47.8%
Application Logic
24.3%
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
Action
View
Database
0.0ms 28.7ms 57.5ms 86.2ms 115.0ms

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... 32 ms 114.3%
sessions#new 28 ms 100.0%
home/index 29 ms 103.6%
posts/show 26 ms 92.9%