A/B and Multivariate Testing Service

We are looking for a complete AB/MVT Testing Tool which can make it easy for users to start creating variations of their web pages to test and track which variation works best. Server part is to be implemented in PHP/MySQL and visual editor and A/B/MVT library in Javascript. User creates variants in visual editor and pastes only one line of code to their site to activate A/B/MVT testing. Good examples of such a tool are Optimizely, Changeagain dot me and ABtest dot ru. The primary goal of the client site is to increase conversions of any given offer/website. List of Required Features: - Easy visual editor: user can easily create variations and make changes to their site. - Asynchronous code snippet : User should be able to use code snippet that loads along with the website and not in a sequential manner. - Realtime reports: Reporting must be real-time for the users. - Multiple conversion goals: User can select multiple conversion goals in multiple pages (for example click and buy etc) - Mobile Testing and Optimization: The tool should work for normal sites as well as for Mobile and Tablets also. - A/B testing: The basic feature which would let user change any part of their site with a few clicks. - Multivariate testing: User should be able to create multiple versions of the page with different colors, headlines, text, buttons etc so that they can test which version works well. - Revenue Tracking : User should be able to track revenue to know revenue per visitor etc. - Whitelist IPs to access account and test script in pages Optional features: - Visitor segmentation & targeting: users should be able to segment their visitors and show variations to them accordingly. - Geo and Behavioral targeting: user should be able to show variations to users according to the targeting they set. Geo targeting will let user select locations for each variation. Also user can combine multiple targeting options using AND, OR and Parenthesis. - Heatmaps: user should be able to view an entire heatmap which shows how visitors navigate the site. As mentioned earlier the main goal is to increase conversions of any given site and this tool needs to be as user friendly as possible. I will have all rights to all code delivered concerning this order.