Request Details

Route
/ GET
Timestamp
Sep 22, 2026 4:43 PM
Duration
62.97 ms
Status
204
Response Size
16 KB
Error
No

Performance Breakdown

Database
32.5% (5 queries)
View Rendering
26.2%
Application Logic
41.3%
Other Operations
0.0%
Total Operations
10
Slowest Operation
62.97 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 76.2ms 152.5ms 228.7ms 304.9ms

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 63 ms 100.0%
home#index 63 ms 100.0%
SELECT * FROM (SELECT users.id, users.name, users.email, COUNT(posts.id) as post_count FROM users LEFT JOIN posts ON users.id = posts.user_id WHERE users.active = ? GROUP BY users.id) as user_posts JOIN (SELECT user_id, COUNT(*) as comment_count FROM c... 30 ms 47.6%
SELECT * FROM posts WHERE created_at > ? 31 ms 49.2%
posts/show 17 ms 27.0%
users/index 26 ms 41.3%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 17 ms 27.0%
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 > ? 16 ms 25.4%
users/index 37 ms 58.8%
SELECT posts.title, posts.content, users.name FROM posts JOIN users ON posts.user_id = users.id WHERE posts.published = ? 5 ms 7.9%