Request Details

Route
/ GET
Timestamp
Sep 23, 2026 7:36 PM
Duration
128.38 ms
Status
200
Response Size
29 KB
Error
No

Performance Breakdown

Database
26.3% (5 queries)
View Rendering
43.0%
Application Logic
30.7%
Other Operations
0.0%
Total Operations
13
Slowest Operation
128.38 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 104.6ms 209.2ms 313.8ms 418.4ms

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 31 ms 24.1%
home#index 128 ms 100.0%
posts/show 29 ms 22.6%
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... 9 ms 7.0%
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... 30 ms 23.4%
SELECT * FROM users WHERE id = ? 6 ms 4.7%
SELECT posts.* FROM posts WHERE title LIKE ? OR content LIKE ? 30 ms 23.4%
users/index 36 ms 28.0%
SELECT * FROM users WHERE id = ? 35 ms 27.3%
posts/show 8 ms 6.2%
home/index 14 ms 10.9%
users/index 31 ms 24.1%
users/index 31 ms 24.1%