Hreflang Cluster Auditor

Canonical Hreflang Auditor

junipr/canonical-hreflang-auditor

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

Canonical & Hreflang SEO Auditor

glowing_glove/canonical-hreflang-auditor

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

Validate hreflang implementation (<link rel="alternate" hreflang=...>) to prevent international SEO issues. Detects missing/duplicate hreflangs, invalid language-region codes, missing self reference, and optional reciprocal hreflang checks.

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.

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.

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.

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.

Hreflang Tags Extractor

benthepythondev/hreflang-tags-extractor

Extract hreflang alternate tags from international SEO pages.

Canonical/Hreflang Bulk QA

checksmithcats/canonical-hreflang-bulk-qa

Scan public static HTML for canonical and hreflang link-tag signals before launches, migrations, or template changes.

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