Request Details

Route
/ GET
Timestamp
Sep 13, 2026 7:40 AM
Duration
100.46 ms
Status
204
Response Size
9.1 KB
Error
No

Performance Breakdown

Database
10.2% (3 queries)
View Rendering
22.6%
Application Logic
67.2%
Other Operations
0.0%
Total Operations
12
Slowest Operation
100.46 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 149.5ms 298.9ms 448.4ms 597.8ms

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
posts/show 27 ms 26.9%
SELECT * FROM (SELECT users.id, users.name, users.email, COUNT(posts.id) as post_count FROM users LEFT JOIN posts ON users.id = posts.user_id WHERE users.active = ? GROUP BY users.id) as user_posts JOIN (SELECT user_id, COUNT(*) as comment_count FROM c... 12 ms 11.9%
home#index 100 ms 100.0%
SELECT DISTINCT users.*, posts.*, comments.* FROM users, posts, comments WHERE users.id = posts.user_id AND posts.id = comments.post_id AND users.created_at > ? AND posts.created_at > ? AND comments.created_at > ? 22 ms 21.9%
users/index 32 ms 31.9%
home/index 31 ms 30.9%
layouts/application 24 ms 23.9%
home#index 100 ms 100.0%
home#index 100 ms 100.0%
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... 27 ms 26.9%
home/index 21 ms 20.9%
home#index 100 ms 100.0%