Here are a selection of articles from knowledgeable authors predicting web design trends for 2013. Do a search and you’ll find many more, but they are all saying basically the same thing.
Keep an Eye on These Web Design Trends in 2013 http://mashable.com/2013/01/04/web-design-trends-2013/
Web design trends to look forward to in 2013 http://designhash.com/web-design-trends-to-look-forward-to-in-2013/
Six Expected Web Design Trends for 2013 http://smashinghub.com/web-design-trends-in-2013.htm
10 Web design trends you can expect to see in 2013 http://thenextweb.com/dd/2012/12/30/10-new-web-design-trends-you-can-expect-to-see-in-2013/
Web Design: 20 Hottest Trends To Watch Out For in 2013 http://www.hongkiat.com/blog/web-design-trend-2013/
Short summary:
The importance of topography was predicted for last year as well, so it is interesting to see it is still up there with responsive design for mobile to desktop sized screens, large images and more white space. Look out for softer colours and larger buttons! And it’s all basically happening in HTML 5, CSS 3 and social integration. Adobe Flash is dead. HTML5 can create dynamic layouts without the bugs and delays that often accompany Flash.


Reading my crop of web design, development and SEO newsletters this morning, I came across this nifty tool for sharing worthy social media content from a Facebook, Twitter or Google+ status directly in your article or on your blog or website: