Should you have non-HTML pages on your site, which include PDFs or spreadsheets, you received’t be capable of put into action hreflang from the of your HTML since it doesn’t exist.  Use Google’s URL inspection Instrument if necessary to Look at unique pages and reveal their relationship with other language https://bookmarkstime.com/story19157880/how-much-you-need-to-expect-you-ll-pay-for-a-good-balises-hreflang-automatiques-et-balises-canoniques-seo