Every day I check out the 100s of subscriptions in my RSS feed about marketing, PR, advertising, branding, social media, and a host of other topics of interest to small businesses that sell online. Most of what gets posted isn’t earth shattering but I reserve Fridays for the best reads of the week. So here you have it, the most valuable things I read in the business blogosphere this week:

• Understanding PageRank to Optimize Your Online Store
• Combating E-Commerce ‘Friendly Fraud’
• Article Marketing 101
• How to Add Facebook Like to Your Ecommerce Site
• Important Restrictions to Include in Your Affiliate Agreement
• 25 Point Website Usability Checklist
• Crafting Your Retailer Elevator Pitch
• 5 Tips for Celebrity Outreach
• Not Selling Yet? Some tips from Meylah Part 1 and Part 2
• Comparison Shopping Engine Tips for Small Merchants
• Reduce Cart Abandonment by Publishing Discount Codes
• Design Sponge’s Updated List of Free Resources for Biz Owners