Measuring CTR data in search engine results is notoriously difficult, and with Google’s recent move to HTTPS for logged in users it’s only going to get worse.
The problems include, but are not limited to:
- How can you record the clicks?
- How can you know what position you
Read the complete story: http://feedproxy.google.com/~r/seomoz/~3/ahbOVA2Q5nY/split-test-gather-ctr-analytics-serps