Quel type de problème signalé par l'outil Site Audit est le plus grave ?

Erreurs" (Errors) are the most severe issues reported by Site Audit because they directly impact a website's crawlability, indexability, and overall search engine performance. These problems, such as broken internal links, duplicate content, or server errors, can prevent search engines from properly accessing and ranking your site, leading to significant drops in organic traffic. "Avertissements" (Warnings) are less critical but still important, indicating potential issues that could become problems. "Astuces" (Tips) and "Avis" (Notices) are suggestions for improvement and informational messages, respectively, and generally do not represent immediate threats to SEO.