Hreflang Tag Checker API | SEO Validator
Pricing
from $1.00 / 1,000 dataset items
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Hreflang Tag Checker API | SEO Validator
Bulk validate website hreflang tags for international SEO. Audit multi-language sites for missing x-default tags, bidirectional errors, and ISO code compliance.
Pricing
from $1.00 / 1,000 dataset items
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Developer
Andok
Maintained by Community
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Bookmarked
2
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1
Monthly active users
a day ago
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Hreflang Tag Checker
Validate hreflang tag implementation across your website for international SEO compliance.
Features
- Detects hreflang tags in HTML
<link>elements and HTTPLinkheaders - Validates language/region codes against ISO 639-1 and ISO 3166-1
- Checks for required x-default tag
- Verifies self-referencing hreflang entries
- Detects duplicate and conflicting entries
- Grades each page (A/B/C/F) based on compliance
- Batch processing for multiple URLs
Input
| Parameter | Type | Description |
|---|---|---|
| urls | string[] | URLs to check |
| checkBidirectional | boolean | Verify bidirectional links (default: true) |
| timeout | integer | Request timeout in ms (default: 15000) |
Output
Each URL produces a dataset item with:
url— The checked URLhreflangCount— Number of hreflang tags foundhasXDefault— Whether x-default is presenthasSelfReference— Whether self-referencing tag existstags— Array of all hreflang tags foundissues— List of errors and warningsgrade— A/B/C/F compliance grade
Use Cases
- International SEO audits
- Multi-language website validation
- Migration testing for multilingual sites
- Ongoing monitoring of hreflang implementation
