Request Details

Route
/ GET
Timestamp
Sep 09, 2026 3:53 PM
Duration
76.25 ms
Status
200
Response Size
7.5 KB
Error
No

Performance Breakdown

Database
40.6% (6 queries)
View Rendering
34.3%
Application Logic
25.1%
Other Operations
0.0%
Total Operations
11
Slowest Operation
76.25 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 75.8ms 151.6ms 227.4ms 303.3ms

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 * 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... 15 ms 19.7%
SELECT * FROM posts WHERE created_at > ? 35 ms 45.9%
posts/show 12 ms 15.7%
UPDATE posts SET title = ?, content = ?, updated_at = ? WHERE id = ? 9 ms 11.8%
home#index 76 ms 100.0%
home/index 18 ms 23.6%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 34 ms 44.6%
layouts/application 39 ms 51.1%
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 15.7%
users/index 35 ms 45.9%
UPDATE posts SET view_count = view_count + ? WHERE published = ? 18 ms 23.6%