Adotas
http://www.adotas.com
ADOTAS is the premier interactive advertising publication on the web, reaching over 100,000 advertising professionals weekly. The emphasis is on providing the best information on media buying and media planning to the interactive community, delivered by the foremost experts in the field.

Alexa
http://www.alexa.com/
Founded in April 1996, Alexa Internet grew out of a vision of Web navigation that is intelligent and constantly improving with the participation of its users. Along the way Alexa has developed an installed base of millions of toolbars, one of the largest Web crawls and an infrastructure to process and serve massive amounts of data. For users of Alexa's Toolbar and web site this has resulted in products that have revolutionized Web navigation and intelligence. For developers this has resulted in a set of tools unprecedented in scope allowing whole new services to be created on the Alexa data and platform.

A List Apart
http://www.alistapart.com/
A List Apart Magazine explores the design, development, and meaning of web content, with a special focus on techniques and benefits of designing with web standards.

AskTog
http://www.asktog.com/
Bruce "Tog" Tognazzini is a principal with the Nielsen Norman Group, the "dream team" firm specializing in human-computer interaction. Tog was lead designer at WebMD, the super-vertical start-up founded in February, 1996 by Jim Clark, founder of Silicon Graphics and Netscape. Before that, Tog was Distinguished Engineer for Strategic Technology at Sun Microsystems. During his 14 years at Apple Computer, he founded the Apple Human Interface Group and acted as Apple's Human Interface Evangelist. Tog has published two books, Tog on Interface and Tog on Software Design, both from Addison Wesley.

Boxes and Arrows
http://www.boxesandarrows.com/
Boxes and Arrows is firmly devoted to the practice, innovation, and discussion of graphic design, interaction design and information architecture, large and small.

ClickZ Stats
http://www.clickz.com/stats/
The web's richest source of trends and statistics.

Findability
http://www.Findability.org
Peter Morville is president and founder of Semantic Studios, a leading information architecture, user experience, and findability consultancy.

Hitwise
http://www.hitwise.com/
By monitoring more people, more websites, more often, only Hitwise provides marketers with timely and actionable marketing insights on how their online presence compares to competitive websites.

Human Factors International
http://www.humanfactors.com
Human Factors International has focused on software usability since 1981.

IBM's Ease of Use
http://www-3.ibm.com/ibm/easy/eou_ext.nsf/publish/558
IBM's Ease of use addresses the challenge of creating great user experiences through the discipline of User Engineering, supported by design guidelines, tools and other relevant materials.

The Interaction Designer's Coffee Break
http://www.guuui.com/
GUUUI is a site for people engaged in the various fields of making the web a better experience for the users. At GUUUI, you'll find weekly postings and quarterly articles about interaction design, information architecture, usability, visual design and the like.

Jakob Nielson on Usability and Web Design
http://www.useit.com/
Jakob Nielsen is a writer, speaker, and consultant on software and web-design usability. He earned a Ph.D. in user interface design and computer science from the Technical University of Denmark. Nielsen worked at Bellcore, IBM, and as a senior researcher at computer company Sun Microsystems. In 1991, when the Web was new, Nielsen correctly predicted that hypertext was the future of user interface design and jumped on the bandwagon by writing a comprehensive book about it: "Hypertext and Hypermedia", published in 1990. "Multimedia and Hypertext: The Internet and Beyond," an updated version of the textbook, was published in 1995 to take into account the success of the Web.

Jeffrey Zeldman Presents
http://www.zeldman.com/
Online since May 1995, Jeffrey Zeldman Presents is the personal site of designer, and writer Jeffrey Zeldman. Jeffrey is the founder and creative director of Happy Cog, an agency of web design and user experience specialists. He publishes the influential A List Apart Magazine, and has written many articles and two books, notably Designing With Web Standards. In 2005, Jeffrey and Eric Meyer co-founded the Event Apart design conference.

MarketingProfs.com
http://www.marketingprofs.com/
Founded in June 2000, MarketingProfs.com is an online publishing company based in Los Angeles, California. They specialize in providing both strategic and tactical post-MBA marketing know-how to Internet and offline marketing professionals in medium and large corporations, through a combination of provocative articles and commentary. Drawing on both the cutting edge marketing know-how of a broad array of analysts, marketing professionals, and professors who create marketing know-how and can bridge the gap between cutting-edge theory and business practice, we cut through the marketing hype and puffery that has become so prevalent in the Internet age.

User Interface Engineering
http://www.uie.com/
At UI11, you'll expose yourself to today's most important design topics, from experts including Luke Wroblewski, Nathan Shedroff, Rolf Molich, David Heller, and Gerry McGovern.

World Wide Web Consortium
http://www.w3.org/
The World Wide Web Consortium (W3C) develops interoperable technologies (specifications, guidelines, software, and tools) to lead the Web to its full potential. W3C is a forum for information, commerce, communication, and collective understanding.