Articles on Website Usability, Usability Testing, Split Testing

We have a digital agency website is [login to view URL] it is a PR 5 (Homepage) site which has recently been revamped. My team is planning to create a "Learning Zone" where visitors can learn techniques to improve their conversion rates and learn from the past experiences of others. I am hopeful and would like to invite you to submit suitable content in any of the following areas below : 1. Website Usability 2. Split Testing / Conversion Optimization 3. Mobile Design A suitable content piece should be at least 700 words in length accompanied with meaningful images. A word about our audience: For [login to view URL], our audience consists of readers who work in the department of marketing or IT for larger corporations. We don't like re-hashing the same concepts and ideas over and over again. We're looking for new ideas, strategies and techniques our readers can use today. Interested Bidders Must submit a minimum of 3 sample articles and 2-3 headlines of their proposed topics. Bid on a cost per article basis. Thank you