Core Web Vitals
Measure performance signals and identify high-impact opportunities.
Performance intelligence
PageSpeed API ready
Core Web Vitals & Speed Tester
Run a mobile or desktop Lighthouse assessment and translate performance data into a prioritized technical roadmap.
The request uses Google PageSpeed Insights v5. Public quota may work without a key; production deployments should proxy requests and protect credentials server-side.
0/100
Performance Score
Lighthouse result
Priority Opportunities
Audits with the greatest practical impact appear first.
Search relevance audit
Live Lighthouse SEO
On-Page SEO Analyzer
Review titles, semantic headings, indexability, image accessibility, keyword use, internal links and structured data readiness.
This runs real Google Lighthouse SEO audits. Keyword-density and exact content extraction require an optional secure crawler endpoint because browsers cannot read arbitrary third-party HTML across origins.
0/100
On-Page Score
Live Lighthouse audit
Optimization Checklist
Resolve failed items before lower-priority warnings.
Structured data laboratory
Live JSON-LD output
Advanced Schema Markup Generator
Create clean JSON-LD for articles, local businesses, products and frequently asked questions with real-time validation-friendly output.
Only completed fields are included. Validate the final markup with Google's Rich Results Test before publishing.
JSON-LD Preview
Semantic content intelligence
Real local analysis
Content Optimizer
Measure topic coverage, primary-keyword use, readability, content depth and related concepts with transparent browser-side calculations.
All displayed scores are calculated from the text you provide. A future OpenAI or Gemini integration must use a secure server proxy; never expose a private API key in Blogger JavaScript.