Request Details

Route
/ GET
Timestamp
Sep 19, 2026 12:31 PM
Duration
36.99 ms
Status
200
Response Size
8.7 KB
Error
No

Performance Breakdown

Database
31.6% (5 queries)
View Rendering
15.7%
Application Logic
52.7%
Other Operations
0.0%
Total Operations
13
Slowest Operation
37.0 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 87.7ms 175.5ms 263.2ms 351.0ms

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
home#index 37 ms 100.0%
SELECT * FROM posts WHERE created_at > ? 20 ms 54.1%
home#index 37 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 > ? 10 ms 27.0%
home/index 12 ms 32.4%
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 > ? 23 ms 62.2%
posts/show 6 ms 16.2%
SELECT users.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, SUM(posts.view_count) as total_views, AVG(posts.view_count) as avg_views, MIN(posts.created_at) as first_post, MAX(posts.created_at) as latest_post FR... 30 ms 81.1%
home#index 37 ms 100.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 28 ms 75.7%
home#index 37 ms 100.0%
layouts/application 37 ms 100.0%
home#index 37 ms 100.0%