Request Details

Route
/ GET
Timestamp
Sep 21, 2026 4:36 AM
Duration
101.19 ms
Status
204
Response Size
23 KB
Error
No

Performance Breakdown

Database
23.0% (4 queries)
View Rendering
16.7%
Application Logic
60.3%
Other Operations
0.0%
Total Operations
8
Slowest Operation
101.19 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 83.8ms 167.7ms 251.5ms 335.4ms

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
layouts/application 19 ms 18.8%
UPDATE posts SET title = ?, content = ?, updated_at = ? WHERE id = ? 4 ms 4.0%
home#index 101 ms 100.0%
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... 34 ms 33.6%
SELECT * FROM posts WHERE created_at > ? 9 ms 8.9%
layouts/application 37 ms 36.6%
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 > ? 30 ms 29.6%
home#index 101 ms 100.0%