Web coding practice ideas

When developing a website some of the technology you may want to practice to be ready, or technology you may want to consider for the web site you are building. These are things I'm blogging to give a potential client ideas for their shiny new business web site.

• RSS feed (of sales, new products, etc..)
• Login - enables other features
• Use OpenId?
  
• Shopping cart
• can be done without a login
• better done with
• Can be done via amazon.com I believe
  
• Product catalog
• Advanced search capabilities
• Hierarchial
• May be able to integrate with amazon.com
  
• Comments
• Captcha
• Usages
  
• About business
• About product
• About web site
• WishList
• Sharing links
• Buttons that add this page to a user's Delicious.com, StumbleUpon, or Digg, etc..
• Breadcrumbs
• Track a user's path through the site
• Error Log
• helps to watch for site problems, host problems, etc..
• Could be web based
• Gadgets
• Meebo chat
• Allow users to chat with you real time via your web page
  
• Google voice calling
• Allow users to call you (includes voicemail) via a link on your page
• Blogroll
• Links to articles that may interest your customers
• Help drive up search engine ranking
• Meta tuning
• Helps push your site up on the search engines