Request Details

Route
/ GET
Timestamp
Sep 19, 2026 12:54 AM
Duration
102.44 ms
Status
201
Response Size
19 KB
Error
No

Performance Breakdown

Database
22.3% (7 queries)
View Rendering
14.2%
Application Logic
63.5%
Other Operations
0.0%
Total Operations
13
Slowest Operation
102.44 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 121.1ms 242.2ms 363.2ms 484.3ms

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
SELECT * FROM posts WHERE created_at > ? 12 ms 11.7%
home#index 102 ms 100.0%
home#index 102 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... 15 ms 14.6%
users/index 17 ms 16.6%
posts/show 39 ms 38.1%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 27 ms 26.4%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 1 ms 1.0%
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... 15 ms 14.6%
DELETE FROM comments WHERE created_at < ? 31 ms 30.3%
home#index 102 ms 100.0%
SELECT users.* FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id WHERE users.active = ? AND posts.published = ? AND comments.approved = ? OR users.created_at > ? AND posts.created_at > ? AND commen... 7 ms 6.8%
layouts/application 13 ms 12.7%