Request Details

Route
/ GET
Timestamp
Sep 22, 2026 1:49 PM
Duration
117.55 ms
Status
204
Response Size
9.4 KB
Error
No

Performance Breakdown

Database
4.5% (4 queries)
View Rendering
17.6%
Application Logic
77.9%
Other Operations
0.0%
Total Operations
15
Slowest Operation
117.55 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 226.3ms 452.6ms 679.0ms 905.3ms

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
home#index 118 ms 100.0%
home#index 118 ms 100.0%
users/index 32 ms 27.2%
home#index 118 ms 100.0%
home#index 118 ms 100.0%
SELECT name FROM users 8 ms 6.8%
SELECT * FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id LEFT JOIN tags ON posts.id = tags.post_id LEFT JOIN categories ON posts.category_id = categories.id WHERE users.active = ? AND posts.publi... 22 ms 18.7%
home#index 118 ms 100.0%
home/index 27 ms 23.0%
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 > ? 4 ms 3.4%
home/index 39 ms 33.2%
layouts/application 32 ms 27.2%
home#index 118 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... 7 ms 6.0%
home/index 29 ms 24.7%