Bestseller
Technical SEO Website Quality Performance Audit

Technical SEO Diagnostics API

Audit webpage performance, accessibility, SEO, and best practices

What can this API do?

Real-browser laboratory audits

Load a public webpage in a browser-based test environment and receive repeatable diagnostics for release checks and monitoring.

Mobile and desktop profiles

Compare the same page with mobile or desktop settings that match your quality-assurance workflow.

Four page-quality categories

Request performance, accessibility, best-practice, and SEO scores individually or together.

Laboratory loading metrics

Inspect paint timing, blocking time, layout stability, speed index, and interactivity measurements alongside page metadata.

Prioritized improvement opportunities

Turn failed audits into practical opportunities that engineering, SEO, and content teams can triage.

Cached and fresh checks

Reuse recent results for routine dashboards or explicitly request a fresh check after a deployment.

Technical SEO Diagnostics API
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API Document

HTTP Protocol:HTTPS

HTTP Method:GET

HTTP Endpoint:https://api.gugudata.io/v1/websitetools/pagespeed-score

Response Type:application/json; charset=utf-8

DEMO Endpoint:https://api.gugudata.io/v1/websitetools/pagespeed-score/demo

Live Demo:Try Interactive Demo

Full API Docs:developers.gugudata.io

API Request Parameters

NameTypeIs RequiredDefault ValueRemark
appkeystringtrueYOUR_APPKEYObtained after payment
urlstringtruehttps://www.gugudata.io/details/search-visibility/Public HTTP or HTTPS URL to score
strategystringfalsedesktopdesktop or mobile
localestringfalseenLanguage preference for the result
categoriesstringfalseperformance,accessibility,best-practices,seoComma-separated score categories
forceRefreshbooleanfalsefalseReserved for clients that want to bypass cache when caching is enabled

API Response Parameters

NameTypeRemark
urlstringScored URL
strategystringdesktop or mobile
checkedAtstringScoring timestamp
coreMetricsobjectStatus, response time, content size, compression, image count, and script count
scoresobjectRequested score categories from 0 to 100
auditsarray<object>Audit checks and pass/fail values
opportunitiesarray<object>Recommended improvements for failed audits

API Response Status Codes

Status CodeExplanation of Status CodeRemarks
200Request processed successfully.Some endpoints expose a separate application-level status field in the response body, such as `dataStatus.statusCode`.
400Invalid request parameters or request format.Check required fields, data types, and request body format.
401Missing or unknown application key.Provide a valid `appkey` with the request.
403The application key is recognized but access is not allowed.The key may be expired, inactive, or not permitted for the requested API.
429Request rate or trial usage limit exceeded.Reduce concurrency or retry after the limit window resets.
500Internal service error.Retry later or contact support if the error persists.
503Upstream service unavailable.Retry later; the requested upstream dependency is temporarily unavailable.

Remote MCP

AI client access

Use this API through GuGuData Remote MCP

Connect your AI client once, authorize in the browser, and the client can use the GuGuData API tools available to your account. You do not need to paste an appkey into the MCP client.

Endpoint https://mcp.gugudata.io/mcp
Open MCP Guide
Generic MCP configuration
{
  "mcpServers": {
    "gugudata": {
      "url": "https://mcp.gugudata.io/mcp",
      "transportType": "streamable-http"
    }
  }
}

Code Snippets

Run in Apifox Run in Postman Open LLM Page

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