A landing page is a web page that appears when a visitor clicks on a PPC ad or a search engine result link. The home page of a website is not the only landing page; every page in a website has a purpose and is a potential search engine landing page.
1. PHP is a fast growing language and growing much faster than ASP.NET.
2. Platform in-dependency. ASP.NET can run only in WINDOWS-IIS.
3. PHP is a decent language but it falls back on ASP.NET's strength that lies in its object oriented features, and it's flexibility.
Responsive web design (RWD) is a web design approach aimed at crafting sites to provide an optimal viewing experience—easy reading and navigation with a minimum of resizing, panning, and scrolling—across a wide range of devices (from mobile phones to desktop computer monitors).