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SEO Metrics Meta Robots Check Digital Relevance Domain Authority DMARC Configuration OCR EN 301 549 Social Sharing Cards SEO Audit Dynamic Scanning Authority Score Favicon Fetching Domain Security Audit PDF Text Extraction WCAG Accessibility Audit Domain WHOIS Lookup Website Accessibility Audit Security Header Analysis Website Audit

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Best metadata audit APIs

Website Accessibility Audit API

Legal & Compliance

Audit web pages or whole websites for WCAG 2.2, EN 301 549 (European Accessibility Act) and Section 508 in a real browser. JSON, CSV or HTML report.

Free 7-Day Trial

100% uptime 2,074ms avg MCP ready

Website SEO Audit API

Tools & Utilities

Audit one public page for static SEO signals, 65+ technology fingerprints, and eight security headers with bounded redirects, response size, and private-network blocking.

Free 7-Day Trial

100% uptime 80ms avg MCP ready

Email Auth Auditor API

Security & Cybersecurity

Audit email authentication records for any domain. Checks SPF, DKIM, and DMARC configurations, validates DNS records, and identifies security vulnerabilities in email infrastructure.

Free 7-Day Trial

100% uptime 240ms avg MCP ready

PageSignal SEO and AI Visibility Audit API

Data & Analytics

Technical SEO, metadata and JSON-LD audit of any public web page in one request. Returns title and meta description checks (including duplicates), Open Graph and Twitter Card tags, indexability (meta

Free 7-Day Trial

100% uptime 709ms avg MCP ready

Domain Security Audit API

Security & Cybersecurity

Checks a domain’s public DNS, HTTPS, TLS, certificate, CAA, DNSSEC, and security-header setup.

Free 7-Day Trial

100% uptime 1,811ms avg MCP ready

Email Authentication Auditor API

Security & Cybersecurity

Check a domain’s public SPF, DKIM, DMARC, BIMI, MTA-STS, and MX DNS records for email authentication issues.

Free 7-Day Trial

100% uptime 2,220ms avg MCP ready

Accessibility Audit API

Legal & Compliance

Run automated WCAG accessibility audits on any web page. Detects violations, warnings, and best practices for ADA and EAA compliance.

Free 7-Day Trial

100% uptime 192ms avg MCP ready

Web Intelligence API

Tools & Utilities

Web Intelligence API audits websites, detects their tech stack, converts pages to Markdown, finds broken links and extracts text from PDFs with OCR, all with one key.

Free 7-Day Trial

100% uptime 17,866ms avg MCP ready

SEO Score API

Data & Analytics

SEO audit API. Send a URL, get a 0 to 100 score, a grade, category scores, AI readability scores and a prioritized fix list as JSON.

Free 7-Day Trial

100% uptime 4,742ms avg MCP ready

Web Page Meta Tags Extractor API

Tools & Utilities

Extract the search optimization data of any page: title and description with lengths, canonical address, social sharing cards, structured data types, headings map, link and image audit, word count and redirect chain.

Free 7-Day Trial

100% uptime 159ms avg MCP ready

Authority Metrics Analyzer API

Data & Analytics

Analyze Domain and Page Authority with real-time metrics to optimize SEO strategies and improve domain performance effortlessly.

Free 7-Day Trial

100% uptime 8,201ms avg MCP ready

SEO Crawlability Audit API

Search & Discovery

Checks a public homepage’s SEO crawlability, indexability, robots.txt, sitemap, canonical, title, meta description, and H1 signals.

Free 7-Day Trial

100% uptime 5,256ms avg MCP ready

Retrieve Web Media Authority API

Data & Analytics

Access and analyze web media authority seamlessly with the Retrieve Web Media Authority API for smarter content decisions.

Free 7-Day Trial

100% uptime 193ms avg MCP ready

Meta Tag Analyzer API

Data & Analytics

Scrape and analyze meta tags to optimize SEO strategies and improve online presence.

Free 7-Day Trial

100% uptime 493ms avg MCP ready

Web Metadata and Contact Extractor API

Tools & Utilities

Turn any URL into structured data: SEO/OpenGraph metadata, contacts, social profiles, 40+ tech-stack signatures, SEO & security audits, and AI-ready Markdown — one fast API call.

Free 7-Day Trial

100% uptime 315ms avg MCP ready

Link Indexable Analyze API

Data & Analytics

Listen for HTTP signals by examining URLs, reveal redirects, codes, indexing status, meta robots, robots.txt, detect soft 404s, and generate detailed SEO reports.

Free 7-Day Trial

100% uptime 861ms avg MCP ready

Link Index Analyzer API

Data & Analytics

Analyzes URLs, detects redirects, status codes, indexability, meta robots, robots.txt, and soft 404s, providing comprehensive information on status and SEO.

Free 7-Day Trial