Request Details

Route
/ GET
Timestamp
Sep 16, 2026 9:08 PM
Duration
77.89 ms
Status
200
Response Size
9.2 KB
Error
No

Performance Breakdown

Database
11.6% (4 queries)
View Rendering
24.7%
Application Logic
63.7%
Other Operations
0.0%
Total Operations
15
Slowest Operation
77.89 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 152.9ms 305.7ms 458.6ms 611.4ms

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
home#index 78 ms 100.0%
home#index 78 ms 100.0%
home/index 12 ms 15.4%
SELECT * FROM users WHERE id = ? 5 ms 6.4%
posts/show 34 ms 43.7%
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... 32 ms 41.1%
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... 3 ms 3.9%
home#index 78 ms 100.0%
posts/show 30 ms 38.5%
home/index 29 ms 37.2%
UPDATE posts SET view_count = view_count + ? WHERE published = ? 31 ms 39.8%
home#index 78 ms 100.0%
layouts/application 26 ms 33.4%
home/index 20 ms 25.7%
home#index 78 ms 100.0%