Web/Design/Info
- A List Apart - Web magazine with articles on standards, design and web politics.
- Boxes and Arrows - Peer written magazine focusing on information architecture, one of my favourites.
- Browser Shots - Test your design in several browsers.
- CSS Zen Garden - Concept and tutorial site based around style sheet centric design.
- Erik Meyer's CSS - Good selection of CSS tutorials and tricks.
- Kuler - Adobe application where you can design colour pallets in pantone.
- Microformats - All you ever needed to know about semantic markup.
- Simple Bits - Good design tips and concept ideas from Dan Cederholm.
- User Experience Magazine - Put out by the UPA, this magazine covers a slew of UX issues.
- User Experience Network - Landing point for all UX needs.
- UX Matters - Overall information regarding the user experience. Ranges from design to marketing theory and back to general psychology.
- W3C - Web standards and technology group, use the validators, they are your friend.
Subscribe to my RSS feed of web links on del.icio.us. 
Management
Subscribe to my RSS feed of management links on del.icio.us. 
Marketing
- Copy blogger - Copy writing tips for online marketing success.
- Eat Big Fish - Authors of a fantastic book and company facilitators for re-branding, brand management and becoming number one in your chosen market.
- Google Webmaster Tools - You might consider this a web link, but all the tracking, analytics and SEO capabilities really make this more of a marketing tool for me.
- Link Vendor - Free tools to watch your search engine progress.
- Make Marketing History - Great blog site with articles written by a self proclaimed 'marketing deviant'.
- Micro Persuasion - Technology specific marketing trends.
- The Power 150 - Top marketing blogs based on scores from google rank and link aggregators.
- Psychology and Marketing - Scientific articles on user responses to marketing.
- Search Engine Watch - Large resource, membership section provides in depth help for SEO.
- Seth's blog - Interesting marketing articles.
- UX Magazine - While this does have a fair amount of design information, most of the articles are about strategy. User experience for the sales minded.
Subscribe to my RSS feed of marketing links on del.icio.us. 