performance_timeline
Read navigation, resource, and paint timing via Performance API. Returns TTFB, DOMContentLoaded, LCP, FCP, and slowest resources for fast smoke tests.
Instructions
Read Navigation/Resource/Paint timing via Performance API.
Returns TTFB, DOMContentLoaded, load, LCP candidate, FCP, resource count, and slowest 5 resources. Fast (no trace capture) — best for smoke tests.
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
No arguments | |||
Output Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| result | Yes |