On-page Lighthouse

URL

Target URL required field target page should be specified with its absolute URL (including http:// or https://)…Required · url

For mobile

Applies mobile emulation optional field if set to true, Lighthouse will use mobile device and screen emulation to test…Optional · for_mobile

Categories

Categories of Lighthouse audits optional field each category is a collection of audits and audit groups that applies…Optional · categories

Audits

Lighthouse audits optional field audits are individual tests Lighthouse runs for each specific…Optional · audits

Version

Lighthouse version optional field you can obtain the results specific to a certain Lighthouse version by specifying…Optional · version

Language name

Lighthouse language name optional field you can receive the list of available languages of the search engine with…Optional · language_name

Language code

Lighthouse language code optional field you can receive the list of available languages of the search engine with…Optional · language_code

Browser screen width

Browser screen width optional field set the screen width of the browser used for the Lighthouse audit to emulate a…Optional · browser_screen_width

Browser screen height

Browser screen height optional field set the screen height of the browser used for the Lighthouse audit to emulate a…Optional · browser_screen_height

Browser screen scale factor

Browser screen scale factor optional field set the device pixel ratio of the browser used for the Lighthouse audit;…Optional · browser_screen_scale_factor

Browser network throttling method

Browser network throttling method optional field defines the method used to apply throttling during the Lighthouse…Optional · browser_network_throttling_method

Browser cpu throttling multiplier

Browser CPU throttling multiplier required if browser_network_throttling_method is set to devtools; set the CPU…Optional · browser_cpu_throttling_multiplier

Browser network throttling

Browser network throttling required if browser_network_throttling_method is set to devtools; set the network…Optional · browser_network_throttling

Tag

User-defined task identifier optional field the character limit is 255 you can use this parameter to identify the task…Optional · tag

Price

Usage based, at the cost the provider reports for the call

Billing

Billed at the cost the provider reports for the call, never above $100. Your agent sees the maximum before running.

Price checked

10 October 2026

Your agent reads the schema and the price with inspect_tool before it runs the tool.

MCP call

Copy

cURL command

Copy

TypeScript

Copy

Tool ID

Copy

• On-page content parsingDataForSEOUsage based
• On-page crawlDataForSEOfrom $0.00015/page
• On-page duplicate contentDataForSEOFree
• On-page duplicate tagsDataForSEOFree
• On-page instant pagesDataForSEOUsage based
• On-page keyword densityDataForSEOFree
• On-page linksDataForSEOFree
• On-page microdataDataForSEOFree
• Compare all 17

• Technical SEO auditEvery URL on the site, a sample of pages checked for status, tags and indexability, Core Web Vitals on key templates, and what Google shows for the site.
• Landing page diagnosisWhy a landing page converts less than before, from your ads, GA4 and Search Console together, with its mobile speed and its copy read against the ads that send traffic.
• Checkout funnel leaksWhere shoppers drop between product page and purchase in your GA4, by device and browser, with the speed of the pages they leave and what those pages say.
• Checkout teardownA browser agent walks three competitors’ checkouts as a guest, stopping before payment, and lists every step, fee and upsell, next to their shipping terms and page speed.
• Local business prospectsLocal businesses of one type in your area with their ratings, their websites read and tested for speed, and contacts at each, each with a concrete reason to call.