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statamic / seo-pro

An all-in-one site reporting, metadata wrangling, Open Graph managing, Twitter card making, sitemap generating, turn-key addon for Statamic.
https://statamic.com/addons/statamic/seo-pro
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Fix duplicate hreflang attribute values in meta output #323

Closed jesseleite closed 2 months ago

jesseleite commented 2 months ago

When two sites are configured with same language (ie. en_US and en_GB), SEO Pro was generating duplicate hreflang attribute values...

<link rel="alternate" href="https://site.test/" hreflang="en" />
<link rel="alternate" href="https://site.test/us" hreflang="en" />

This PR fixes this by appending region codes to these duplicates...

<link rel="alternate" href="https://site.test/" hreflang="en-gb" />
<link rel="alternate" href="https://site.test/us" hreflang="en-us" />

_Note: We intentionally format en_US to en-us, because this is what Google shows as valid hreflang formatting._

Fixes https://github.com/statamic/seo-pro/issues/296