This is a recording of a talk given at the International Search Summit Barcelona 2025. In 2023, Dan Taylor from SALT.agency analyzed 18,000 websites with hreflang implemented to uncover common hreflang errors. Fast forward to the present day, he has revisited these 18,000 websites to see how things have changed – and then some. He has now analyzed a whopping 1 million+ websites actively running hreflang to identify the most common hreflang technical issues.
