Pricing

from $10.00 / 1,000 completed page audits

HTML SEO & JSON-LD Syntax Checker — PageProof

Check supplied HTML snapshots before deploying generated websites. Find metadata, canonical, image-alt, noindex and JSON-LD syntax issues with source-line evidence and fixes as JSON. API/MCP ready. 1–20 pages per run; $0.01/page + $0.00005/run. No URL crawling.

Pricing

from $10.00 / 1,000 completed page audits

Rating

0.0

(0)

Developer

Cody J

Actor stats

Bookmarked

Total users

Monthly active users

5 days ago

Last modified

Broken Link Checker

jancurn/find-broken-links

Crawls a website and finds broken links. Unlike other similar SEO analysis tools, the actor also reports broken URL #fragments. The results are stored in a JSON and HTML report.

Jan Čurn

808

Bulk SEO Audit - Titles, Meta, Headings, Schema, Links

thirdwatch/seo-data-extractor

Run an SEO audit on hundreds of pages at once. For each URL you get the title, meta description, headings, canonical, Open Graph and Twitter cards, schema markup, image alt-text gaps, internal and external link counts, and word count. The fastest way to check on-page SEO across a whole site.

Thirdwatch

Website SEO & Metadata Checker — Meta, OpenGraph, JSON-LD

dataquarry/website-seo-metadata-checker

Free SEO & metadata audit for any URL: title, meta description, OpenGraph, Twitter card, JSON-LD types, canonical, hreflang, viewport, robots, and link/image checks. No API key.

Daniel Brenner

Hreflang Tag Checker API | SEO Validator

andok/hreflang-checker

Bulk validate website hreflang tags for international SEO. Audit multi-language sites for missing x-default tags, bidirectional errors, and ISO code compliance.

Andok

Schema Markup Scraper API - JSON-LD, Microdata & RDFa

pink_comic/schema-markup-extractor

Extract JSON-LD, Microdata, RDFa, schema.org types, canonical URL, Open Graph, Twitter Cards, and meta tags from public pages. Fast structured-data/SEO evidence with HTTP status, final URL, truncation, and malformed-block signals.

Ava Torres

Hreflang Tag Checker — International SEO Audit

q_services/hreflang-tag-checker

Extract and validate hreflang tags from web pages for international SEO audits and monitoring.

Q Services

PAL | Product Price & Currency QA

practical_ai_lab_jp/pal-product-offer-currency-check

For ecommerce feed QA: find missing or invalid product price and currency metadata, mixed currency codes and inverted price ranges on public Product JSON-LD pages.

Practical AI Lab

Technical SEO & Broken Link Site Auditor (Agency Grade)

thien_webdata/seo-technical-site-auditor

Audits web pages for missing title/meta tags, H1 structure, canonical URLs, JSON-LD structured data, image alt attributes, and response speed.

VanThien Hoàng

Broken Link Checker: 404s, 5xx & Redirect Chains (robots.txt)

mrlarryjohnson/broken-link-checker

Crawl your own website and find every broken link: 404 and other 4xx errors, 5xx server errors, timeouts, redirect chains and loops, plus dead external links, with the page each one was found on and its anchor text. Respects robots.txt and Crawl-delay. CSV report included.

Larry Johnson

Schema.org Markup Validator

scrappy_garden/schema-org-markup-validator

Validate Schema.org structured data for SEO. Parses JSON-LD, detects Microdata and RDFa, highlights schema types, and reports common issues like invalid JSON-LD, missing @type, non-schema.org @context, and missing key properties for popular schema types.