And I always ensure following features for websites/applications.
-Responsive for all devices.
-Google page speed score 85+
-Cross browser compatibility.
================== My services ==================
-Wordpress theme development with flexible option panel and meta boxes.
-Node or Mean application development.
-Single page app with Angular js.
-PSD to Wordpress(*Pixel perfect and cross browser support).
-HTML to Wordpress.
-Customizing Wordpress theme.
-Woocommerce theme development.
-Transfer website to Wordpress CMS.
-PSD to HTML(*Pixel perfect and cross browser support).
-Fixing bugs and design issues.
-PSD template Design.