Hi, I am also facing issue with Favicon. Instead of Favicon, it's showing square cross box. check here www.technicaldiary.com . please give me solutions

Hi,
I am using favicon in my website www.technicaldiary.com . This icon is showing on each and every browser but in Opera it's not showing. Please tell me how can I fix my issue. This is my website Url- www.technicaldiary.com