iamlost - 12:52 pm on Aug 6, 2013 (gmt 0)
There is really no one stop traffic referrer as potentially powerful as Google. While Bing and Yahoo are worthwhile - and in my niches convert better than G - as mentioned their volume is typically a quarter to half. Which leaves building back links for qualified traffic not SEO benefit, marketing via SM et al, etc. Basically more work and more time to build a more diverse set of traffic flows.
I remain amazed that my sites continue to do well in G - I've been diversifying for years - as all the changes in algo inputs/thresholds, ads on top of results, enterprise business elbowing in, Google properties and service partner inclusion, continual increasing good and evil competition... As a strictly numbers game my run, as with many of us here, has been exceptional. While I appreciate it and hope and work that it continues I certainly don't expect it to do so. The numbers are against it.