• New theme should be user friendly, light weighted.
• Theme should be good usablity and highly customizable.
• SEO Optimized.
• Must have faster loading time.
These are general feature of a new wordpress theme to choose for your site but new option are always wellcome, remember this point.
• Choose a theme that is comfortable with your site's content.
• New developed theme or old theme that has new upgreated version can be selected to use.
• Visit sites which are also uses that theme you selected and know the feature from these sites.
If you follow these ways then you will be able to select best wordpress theme for your own website. Feel free to share our content.