html validation errors

Idiel,
Some of those errors are things we're looking into fixing in an upcoming release. However, others are impossible for us to fix, as they are errors with Facebook's implementation. For example, in the fb:comments tag, there's a xid parameter. This parameter is a non-standard parameter, and therefore throws a validation error.

I looked through all of the errors in the link, and none of them will cause any problems with your site, or navigation. They are all handled by browsers just fine, but I understand the concern. If you feel you're running into problems specifically because of any of those errors, let us know.

Thanks,
Alex