Hreflang Checker

Canonical & Hreflang SEO Auditor

glowing_glove/canonical-hreflang-auditor

Audit canonical URLs, hreflang annotations, duplicate language targets, and international SEO signals.

Canonical Hreflang Auditor

junipr/canonical-hreflang-auditor

Audit canonical and hreflang relationships, reciprocal tags, conflicts, and international SEO risks.

Audit a public page's hreflang alternate tags in one API call. Reports x-default, duplicate and invalid values, self-reference, score, and recommendations for international SEO QA.

Hreflang Cluster Auditor

junipr/hreflang-cluster-auditor

Audit hreflang clusters, language and region codes, reciprocal return links, x-default coverage, and canonical conflicts.

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.

Broken Link Checker & Site Auditor

andok/broken-links-checker

Crawl websites to detect 404 broken links and missing resources. Essential for maintaining technical SEO and user experience.

Extracts and audits title, description, canonical URL, robots metadata, Open Graph, Twitter Card, headings, JSON-LD types, hreflang links, and image alt coverage from one public webpage.

Audit a public page's SEO and social metadata in one API call. Checks title, meta description, canonical, robots, Open Graph, Twitter Card, hreflang, viewport, and JSON-LD.

Hreflang Tag Checker

maximedupre/hreflang-checker

Check public pages for hreflang declarations and SEO findings. Get language or region codes, target URLs, coverage details, HTTP status, and a compliance grade in a dataset.

Validate hreflang annotations after a domain or site migration: locale syntax, duplicates, target health, canonicals, x-default, self-references, reciprocal return links, and old-domain references.

Audit destination pages after a migration: extract and check every resource and link reference, flag old-domain references, broken URLs, redirects, mixed content, and missing references.