Request Details

Route
/ GET
Timestamp
Sep 16, 2026 2:37 AM
Duration
67.14 ms
Status
201
Response Size
9.7 KB
Error
No

Performance Breakdown

Database
15.0% (3 queries)
View Rendering
19.5%
Application Logic
65.5%
Other Operations
0.0%
Total Operations
8
Slowest Operation
67.14 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 76.9ms 153.7ms 230.6ms 307.4ms

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
layouts/application 35 ms 52.1%
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 > ? 5 ms 7.4%
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... 35 ms 52.1%
home#index 67 ms 100.0%
home#index 67 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... 6 ms 8.9%
layouts/application 25 ms 37.2%
home#index 67 ms 100.0%