devtools_lighthouse

Run Lighthouse (official CLI) against the developer-mode browser and return category scores, key metrics, failing audits, plus HTML and JSON report artifacts.

Run Lighthouse (official CLI) against the developer-mode browser and return category scores, key metrics, failing audits, plus HTML and JSON report artifacts. Developer mode only; Lighthouse opens its own tab in that browser.

Developer mode only. Lighthouse opens its own tab in the developer browser and needs a window, so headless contexts are not supported.

Parameters

tabId · integer

Target tab id from browser_tabs, which lists tabs across all windows. Defaults to the agent’s most recently opened usable tab, or the only usable tab. Otherwise select a listed tabId.

url · string

Defaults to the current URL of the tab

device · enum

One of: mobile, desktop.

categories · enum[]

Items: performance, accessibility, best-practices, seo, pwa.

timeoutMs · integer

Range: … to 600000.

extraArgs · string[]

 

Example

{
  "url": "https://example.com",
  "device": "mobile",
  "categories": [
    "performance",
    "accessibility"
  ]
}