Request Details

Route
/ GET
Timestamp
Sep 17, 2026 8:22 PM
Duration
129.66 ms
Status
204
Response Size
9.2 KB
Error
No

Performance Breakdown

Database
26.6% (4 queries)
View Rendering
37.8%
Application Logic
35.6%
Other Operations
0.0%
Total Operations
10
Slowest Operation
129.66 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 91.2ms 182.3ms 273.5ms 364.7ms

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
posts/show 36 ms 27.8%
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... 29 ms 22.4%
home/index 7 ms 5.4%
SELECT * FROM users WHERE id = ? 23 ms 17.7%
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 > ? 26 ms 20.1%
users/index 36 ms 27.8%
home#index 130 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 > ? 19 ms 14.7%
posts/show 36 ms 27.8%
home/index 23 ms 17.7%