The high number of webpages without this icon should be considered as a warning, because your website can be penalized.
Ọnụ ọgụgụ dị elu nke ibe weebụ na-enweghị akara ngosi a kwesịrị ịtụle dịka ịdọ aka ná ntị, n'ihi na ebe nrụọrụ weebụ gị nwere ike ịta ahụhụ.