Search engine optimization (SEO) Interview Question:

What is the ROI [return on investment] for SEO activities? Can you give any examples? Another related question might be "How do you build a business case for doing SEO?"

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This is akin to asking what is the ROI for usability. Speed is a key component of usability. Small improvements in speed can take critical pages below typical attention thresholds, and dramatically lower bail-out rates and abandoned shopping carts. I talk about this in the book, but compression alone can save 30-50% in size and bandwidth costs. Webmasters who have employed compression and optimization typically save 30 to 50% off their bandwidth costs, and retain more customers, and have improved conversion rates.
Submitted by: Administrator