Lighthouse Site Monitor: Core Web Vitals & Regressions
Pricing
from $20.00 / 1,000 page audits
Bulk Lighthouse audits from a URL list or sitemap. Mobile + desktop, Core Web Vitals, performance budgets with pass/fail, and automatic regression alerts versus your previous run. Schedule it to monitor site speed.
You can access the Lighthouse Site Monitor: Core Web Vitals & Regressions programmatically from your own applications by using the Apify API. You can also choose the language preference from below. To use the Apify API, you’ll need an Apify account and your API token, found in API & Integrations in Apify Console.
{ "openapi": "3.0.1", "info": { "version": "0.1", "x-build-id": "1awZBOtZucXmHwlMc" }, "servers": [ { "url": "https://api.apify.com/v2" } ], "paths": { "/acts/jsonjeong~lighthouse-site-monitor/run-sync-get-dataset-items": { "post": { "operationId": "run-sync-get-dataset-items-jsonjeong-lighthouse-site-monitor", "x-openai-isConsequential": false, "summary": "Executes an Actor, waits for its completion, and returns Actor's dataset items in response.", "tags": [ "Run Actor" ], "requestBody": { "required": true, "content": { "application/json": { "schema": { "$ref": "#/components/schemas/inputSchema" } } } }, "parameters": [ { "name": "token", "in": "query", "required": true, "schema": { "type": "string" }, "description": "Enter your Apify token here" } ], "responses": { "200": { "description": "OK" } } } }, "/acts/jsonjeong~lighthouse-site-monitor/runs": { "post": { "operationId": "runs-sync-jsonjeong-lighthouse-site-monitor", "x-openai-isConsequential": false, "summary": "Executes an Actor and returns information about the initiated run in response.", "tags": [ "Run Actor" ], "requestBody": { "required": true, "content": { "application/json": { "schema": { "$ref": "#/components/schemas/inputSchema" } } } }, "parameters": [ { "name": "token", "in": "query", "required": true, "schema": { "type": "string" }, "description": "Enter your Apify token here" } ], "responses": { "200": { "description": "OK", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/runsResponseSchema" } } } } } } }, "/acts/jsonjeong~lighthouse-site-monitor/run-sync": { "post": { "operationId": "run-sync-jsonjeong-lighthouse-site-monitor", "x-openai-isConsequential": false, "summary": "Executes an Actor, waits for completion, and returns the OUTPUT from Key-value store in response.", "tags": [ "Run Actor" ], "requestBody": { "required": true, "content": { "application/json": { "schema": { "$ref": "#/components/schemas/inputSchema" } } } }, "parameters": [ { "name": "token", "in": "query", "required": true, "schema": { "type": "string" }, "description": "Enter your Apify token here" } ], "responses": { "200": { "description": "OK" } } } } }, "components": { "schemas": { "inputSchema": { "type": "object", "properties": { "startUrls": { "title": "Page URLs", "type": "array", "description": "Pages to audit. Leave empty if you use a sitemap.", "items": { "type": "object", "required": [ "url" ], "properties": { "url": { "type": "string", "title": "URL of a web page", "format": "uri" } } } }, "sitemapUrl": { "title": "Sitemap URL", "type": "string", "description": "Audit pages listed in this sitemap (sitemap index files are followed one level). Only same-domain pages are used." }, "maxPages": { "title": "Max pages", "minimum": 1, "maximum": 500, "type": "integer", "description": "Upper limit on pages audited per run (max 500).", "default": 20 }, "devices": { "title": "Devices", "type": "array", "description": "Run each page as mobile, desktop, or both.", "items": { "type": "string", "enum": [ "mobile", "desktop" ], "enumTitles": [ "Mobile", "Desktop" ] }, "default": [ "mobile" ] }, "categories": { "title": "Categories", "type": "array", "description": "Lighthouse categories to run.", "items": { "type": "string", "enum": [ "performance", "accessibility", "best-practices", "seo" ], "enumTitles": [ "Performance", "Accessibility", "Best practices", "SEO" ] }, "default": [ "performance", "accessibility", "best-practices", "seo" ] }, "budgets": { "title": "Budgets", "type": "object", "description": "Pass/fail thresholds. Scores (performance, accessibility, bestPractices, seo) are minimums 0–100; metrics (lcpMs, fcpMs, tbtMs, cls, speedIndexMs, ttiMs) are maximums." }, "compareWithPrevious": { "title": "Detect regressions vs. previous run", "type": "boolean", "description": "Compares each page with the last run of this Actor in your account and lists scores/metrics that got worse.", "default": true }, "scoreDropTolerance": { "title": "Score drop to flag (points)", "minimum": 1, "type": "integer", "description": "A category score must drop at least this many points to count as a regression.", "default": 5 }, "metricIncreaseTolerancePct": { "title": "Metric increase to flag (%)", "minimum": 1, "type": "integer", "description": "A metric must get this much worse (and by at least 200 ms, or 0.05 for CLS) to count as a regression.", "default": 20 }, "saveHtmlReport": { "title": "Save full HTML report", "type": "boolean", "description": "Store the full Lighthouse HTML report for each audit and return a link.", "default": false } } }, "runsResponseSchema": { "type": "object", "properties": { "data": { "type": "object", "properties": { "id": { "type": "string" }, "actId": { "type": "string" }, "userId": { "type": "string" }, "startedAt": { "type": "string", "format": "date-time", "example": "2025-01-08T00:00:00.000Z" }, "finishedAt": { "type": "string", "format": "date-time", "example": "2025-01-08T00:00:00.000Z" }, "status": { "type": "string", "example": "READY" }, "meta": { "type": "object", "properties": { "origin": { "type": "string", "example": "API" }, "userAgent": { "type": "string" } } }, "stats": { "type": "object", "properties": { "inputBodyLen": { "type": "integer", "example": 2000 }, "rebootCount": { "type": "integer", "example": 0 }, "restartCount": { "type": "integer", "example": 0 }, "resurrectCount": { "type": "integer", "example": 0 }, "computeUnits": { "type": "integer", "example": 0 } } }, "options": { "type": "object", "properties": { "build": { "type": "string", "example": "latest" }, "timeoutSecs": { "type": "integer", "example": 300 }, "memoryMbytes": { "type": "integer", "example": 1024 }, "diskMbytes": { "type": "integer", "example": 2048 } } }, "buildId": { "type": "string" }, "defaultKeyValueStoreId": { "type": "string" }, "defaultDatasetId": { "type": "string" }, "defaultRequestQueueId": { "type": "string" }, "buildNumber": { "type": "string", "example": "1.0.0" }, "containerUrl": { "type": "string" }, "usage": { "type": "object", "properties": { "ACTOR_COMPUTE_UNITS": { "type": "integer", "example": 0 }, "DATASET_READS": { "type": "integer", "example": 0 }, "DATASET_WRITES": { "type": "integer", "example": 0 }, "KEY_VALUE_STORE_READS": { "type": "integer", "example": 0 }, "KEY_VALUE_STORE_WRITES": { "type": "integer", "example": 1 }, "KEY_VALUE_STORE_LISTS": { "type": "integer", "example": 0 }, "REQUEST_QUEUE_READS": { "type": "integer", "example": 0 }, "REQUEST_QUEUE_WRITES": { "type": "integer", "example": 0 }, "DATA_TRANSFER_INTERNAL_GBYTES": { "type": "integer", "example": 0 }, "DATA_TRANSFER_EXTERNAL_GBYTES": { "type": "integer", "example": 0 }, "PROXY_RESIDENTIAL_TRANSFER_GBYTES": { "type": "integer", "example": 0 }, "PROXY_SERPS": { "type": "integer", "example": 0 }, "PROXY_UNBLOCKER_UNITS": { "type": "integer", "example": 0 } } }, "usageTotalUsd": { "type": "number", "example": 0.00005 }, "usageUsd": { "type": "object", "properties": { "ACTOR_COMPUTE_UNITS": { "type": "integer", "example": 0 }, "DATASET_READS": { "type": "integer", "example": 0 }, "DATASET_WRITES": { "type": "integer", "example": 0 }, "KEY_VALUE_STORE_READS": { "type": "integer", "example": 0 }, "KEY_VALUE_STORE_WRITES": { "type": "number", "example": 0.00005 }, "KEY_VALUE_STORE_LISTS": { "type": "integer", "example": 0 }, "REQUEST_QUEUE_READS": { "type": "integer", "example": 0 }, "REQUEST_QUEUE_WRITES": { "type": "integer", "example": 0 }, "DATA_TRANSFER_INTERNAL_GBYTES": { "type": "integer", "example": 0 }, "DATA_TRANSFER_EXTERNAL_GBYTES": { "type": "integer", "example": 0 }, "PROXY_RESIDENTIAL_TRANSFER_GBYTES": { "type": "integer", "example": 0 }, "PROXY_SERPS": { "type": "integer", "example": 0 }, "PROXY_UNBLOCKER_UNITS": { "type": "integer", "example": 0 } } } } } } } } }}OpenAPI is a standard for designing and describing RESTful APIs, allowing developers to define API structure, endpoints, and data formats in a machine-readable way. It simplifies API development, integration, and documentation.
OpenAPI is effective when used with AI agents and GPTs by standardizing how these systems interact with various APIs, for reliable integrations and efficient communication.
By defining machine-readable API specifications, OpenAPI allows AI models like GPTs to understand and use varied data sources, improving accuracy. This accelerates development, reduces errors, and provides context-aware responses, making OpenAPI a core component for AI applications.
You can download the OpenAPI definitions for Lighthouse Site Monitor: Core Web Vitals & Regressions from the options below:
If you’d like to learn more about how OpenAPI powers GPTs, read our blog post.
You can also check out our other API clients: