Image Alt Attribute Auditor

🔎 Crawl websites and turn technical SEO, accessibility, security, performance, broken-link, structured-data, robots.txt, llms.txt, and AI crawler signals into prioritized 0–100 audit scores and client-ready reports.

SEO Site Checker (Pay per Event)

eiv/seo-site-checker

Crawl any website and extract 70+ on-site SEO metrics — meta tags, Core Web Vitals, structured data, mobile-friendliness, security headers, and page speed. Get a complete SEO audit with per-check scores and actionable recommendations.

Schema Markup Scraper & SEO Auditor

autofacts/metadata-scraper

Extract JSON-LD, Microdata, RDFa, Open Graph & Twitter Cards. Runs a 0-100 SEO audit — checks canonical, hreflang, headings, image alt, EEAT author signals. Detects 80+ schema.org types including LocalBusiness with NAP, geo coordinates, and Google Place IDs.

Image Alt Text Checker | Accessibility & SEO Auditor

andok/alt-text-auditor

Bulk audit websites for missing image alt text. Improve image SEO rankings and ensure web accessibility compliance (ADA/WCAG) with automated scanning.

Image Alt Audit

zerobreak/image-alt-audit

Image alt text auditor that crawls any webpage and flags images with missing, empty, or inadequate alt attributes, so SEO teams and accessibility auditors can fix issues before they affect rankings or compliance.

Bulk SEO Data Extractor

thirdwatch/seo-data-extractor

Extract every on-page SEO signal from any URL: title, meta tags, canonical, OG/Twitter cards, JSON-LD schema, heading hierarchy, alt-text gaps, internal/external link counts, word count, text-to-HTML ratio.

Extract every image on a web page as JSON: absolute src, alt text, width/height, loading, srcset, plus og:image and twitter:image. Built for alt-text and asset audits. Returns image URLs and metadata, not the image files. $0.01 per page scanned; failures free.

Image Source Extractor

zerobreak/image-source-extractor

Image source extractor that pulls every image URL, alt text, file format, and lazy-load status from any web page, so SEO teams can find missing alt text and fix image issues fast.

WCAG Accessibility Auditor — Score & Fix 30 Rules

ryanclinton/wcag-accessibility-auditor

Crawl any website and audit it against WCAG 2.1 accessibility standards. Checks 30 rules across four severity levels, scores each site 0–100 with letter grades A through F, and provides element-level violations with CSS selectors and fix recommendations.

SEO Pulse

dhruboai/SEO-Pulse

SEO Pulse is a zero-cost technical SEO auditor. It crawls websites to analyze on-page SEO, broken links, schema, and readability. Generates professional Excel, CSV, and JSON reports in English & Bengali. Perfect for freelancers and SEO agencies.