HTML 5 - with most modern Web browsers HTML5 ready, many web designers and developers were quick to identify the opportunities offered by the latest revision of HTML.
CSS3
The latest version of the CSS technology has come up with some interesting new features such as shadow box, pictures of the border, border radius, multi-column layout, various backgrounds, text shadow, opacity setting, and flexibility of resources that enable designers and developers to create designs powerful and flexible.
Server-side JavaScript
Using server-side JavaScript, JavaScript has been purely based on the client for a long time, but with the help of some new technologies such as node.js, creating more powerful and scalable applications server-side JavaScript is now a real possibility.
Parallax Scrolling
A technique began in the 80's, is now finding its way in recent web designs. It creates the illusion of a 3-dimensional space and when used properly, can provide web design, an impressive depth.
Lifestreaming
Using social network aggregators to maintain an electronic "newspaper" that allows users to track and monitor the movements of particular web page in some of the best social media sites like Twitter, MySpace and Facebook, is definitely becoming a trend.
Touch screen designs easier
Because some desktops, all smart phones and many mobile phones come with touch screens, the latest designs gradually eliminating mouse-friendly features such as hyperlink only displays and menus, and designers are the optimization of web sites for browsing fingertips.
Better Security
Thus there is no secret that the economic slowdown has led to an increase in online fraud attempts, and the latest web development trends are clearly steering in the direction of better fraud prevention.
Photo backgrounds
Although no new funds are making a comeback Photography using high-resolution images that can give a stylish design with a fresh and modern look.
Mobile Commerce
Also known as M-commerce or mobile commerce is the mobile version of e-commerce and enables users to shop on the road. It provides for immediate purchase ringtones, games, wallpapers, vouchers, coupons and tickets as well as various information and subscription services.
There are many great trends we've left out, but certainly worth exploring and some of them are the increasing use of NoSQL, development of technologies that provide for ease of deployment and scalability, networks of JavaScript, and thumbnail and quick response (QR) design.