Request Details

Route
/ GET
Timestamp
Sep 18, 2026 2:34 AM
Duration
109.44 ms
Status
204
Response Size
24 KB
Error
No

Performance Breakdown

Database
17.4% (6 queries)
View Rendering
19.3%
Application Logic
63.3%
Other Operations
0.0%
Total Operations
12
Slowest Operation
109.44 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 129.6ms 259.2ms 388.7ms 518.3ms

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
posts/show 35 ms 32.0%
SELECT * FROM users WHERE id = ? 7 ms 6.4%
home#index 109 ms 100.0%
DELETE FROM comments WHERE created_at < ? 13 ms 11.9%
users/index 35 ms 32.0%
SELECT name FROM users 27 ms 24.7%
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 > ? 4 ms 3.7%
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... 5 ms 4.6%
home#index 109 ms 100.0%
home#index 109 ms 100.0%
users/index 30 ms 27.4%
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... 34 ms 31.1%