Request Details

Route
/ GET
Timestamp
Sep 21, 2026 10:23 AM
Duration
128.35 ms
Status
201
Response Size
21 KB
Error
No

Performance Breakdown

Database
14.3% (4 queries)
View Rendering
11.2%
Application Logic
74.5%
Other Operations
0.0%
Total Operations
10
Slowest Operation
128.35 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 129.3ms 258.5ms 387.8ms 517.1ms

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 11 ms 8.6%
SELECT * FROM posts WHERE created_at > ? 29 ms 22.6%
home#index 128 ms 100.0%
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... 1 ms 0.8%
layouts/application 12 ms 9.3%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 23 ms 17.9%
posts/show 35 ms 27.3%
home#index 128 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 > ? 21 ms 16.4%
home#index 128 ms 100.0%