
X-default hreflang: support a selector without forced geo redirects
Learn how x-default hreflang works as a fallback for unmatched languages, how to support a country selector without forced geo redirects, and how to verify it.
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Multilingual XML sitemaps: check alternate URLs and return links
How to verify alternate URLs and return links in multilingual XML sitemaps, which hreflang methods Google treats as equivalent, and what to check when they break.
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Automatic language redirects: how they affect international crawling
How automatic language redirects affect Googlebot crawling, why IP and Accept-Language limits matter, and how to verify alternate language URLs are discoverable.
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Breadcrumb schema: validate products with multiple category paths
How to validate BreadcrumbList structured data when a product sits in multiple category paths, with a diagnostic method, decision table and example.
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Product image indexing: check what robots.txt actually blocks
A practical diagnostic for product image indexing: how robots.txt rules, CDN hosts, image URLs, page markup and alt text interact, and how to verify what Google can actually crawl.
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PDF catalog SEO: manage outdated documents still appearing in search
A practical method for finding, assessing and handling outdated PDF catalogs that still appear in Google Search, using file-type checks, X-Robots-Tag and content decisions.
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