WordPress 3.1 ruins your SEO if you do not use SEF URL:s
WordPress 3.1 ruins your SEO if you do not use SEF URL:s. This is true only for your indexed category URL:s, not for your single posts. But this is serious enough. If you have upgraded to WordPress 3.1 you MUST use so called Search Enginge Friendly URL:s. Why? Because with WordPress 3.1, your site displays a new permalink for categoriesĀ Ā»