The Text Readability Metrics API calculates readability metrics for text. Supported metrics include the Automated Readability Index, Coleman-Liau Index, Flesch–Kincaid Grade Level, Flesch Reading Ease, Gunning-Fog Index, SMOG score, and SMOG Index. This API can be used to evaluate the readability of written content, making it easier to target specific audiences and improve overall readability.

Score the readability of any English text. Returns Flesch-Kincaid, Gunning Fog, SMOG, ARI scores, sentence-level breakdown, improvement suggestions, and target grade pass/fail in one call.

Gain real-time insights into website navigation and performance with our Web Navigator Status Insight API.

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

Analyze deep links by tracking redirects, HTTP codes, meta robots policies, robots.txt, detect soft 404s, and report comprehensively on SEO status.

Get comprehensive details quickly with the Retrieve Link Index Information API to optimize link performance.

Submit a URL and instantly learn if it’s indexable by Google, with detailed diagnostics for robots rules, meta tags, redirects, soft-404s, and more.

The Available Public Bathrooms API provides access to a vast database of global public bathrooms, toilets, and restrooms. With over 50,000+ entries submitted daily, users can search for facilities based on latitude and longitude. Whether in New York City, Los Angeles, or anywhere worldwide, find public bathrooms with ease.

Monitor complete links, discover internal redirects, status codes, meta robots restrictions, robots.txt, identify soft errors, and offer comprehensive SEO insight.

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

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

Provides detailed data on public restrooms, including location, accessibility, features, voting and distances, for accurate searches.

Effortlessly obtain essential data with the Fetch Link Index Data API for enhanced analytics.

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.

Provides detailed data on public restrooms, including location, accessibility, features, voting and distances, for accurate searches.

Make your content accessible to all users with the Accessibility Compliance Accessibility Compliance Readability API.

Streamline complex information using the Technical Writing Technical Writing Readability API for clear communication.

Optimize your SEO strategy by improving readability with the SEO Optimization SEO Optimization Readability API.

Boost student understanding with the EdTech Readability Improvement API designed for educational content.

Ensure your legal documents are crystal clear with the Legal Compliance Legal Compliance Readability API.

Enhance your content's clarity with the Content Marketing Content Marketing Readability API for better engagement.

Increase user engagement by enhancing readability with the User Engagement User Engagement Readability API.

Analyze and improve academic texts with the Academic Readability Analysis API for robust insights.

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

Leverage smart scraping technology for optimized data retrieval from Amazon's vast product listings.