Even if you think Optimizely does a bad job of calculating test results, I'm assuming (I'm a VWO loyalist) it still gives you the raw numbers and it still provi

Even if you think Optimizely does a bad job of calculating test results, I'm assuming (I'm a VWO loyalist) it still gives you the raw numbers and it still provides a lot of other value. Just handling the basic logistics and measurement of the test is well worth the price. You're mostly right in what types of resources you need, however, I'd add that the "competent web designer" should also be competent in jQuery. For a lot of tests, running jQuery DOM manipulations is required/preferable over the visual designer. Those visual designers tend to fail when dealing with dynamic content and have the potential to halt your entire operation. Of course, you may also have teammates (or you yourself) who can do more than one of these things.