Request Details

Route
/ GET
Timestamp
Sep 22, 2026 9:36 AM
Duration
117.22 ms
Status
201
Response Size
16 KB
Error
No

Performance Breakdown

Database
5.3% (3 queries)
View Rendering
19.6%
Application Logic
75.0%
Other Operations
0.0%
Total Operations
9
Slowest Operation
117.22 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 117.2ms 234.3ms 351.5ms 468.7ms

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
users/index 33 ms 28.2%
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 > ? 8 ms 6.8%
home#index 117 ms 100.0%
posts/show 19 ms 16.2%
home#index 117 ms 100.0%
posts/show 40 ms 34.1%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 8 ms 6.8%
home#index 117 ms 100.0%
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... 9 ms 7.7%