2.3 million searches per second only on Google! (Expandedramblings)
On average, organic search leads have a 14.6% close rate, compared to 1.7% for outbound marketing leads
The first 5 organic results account for 67.60% of all the clicks (MOZ)
Running a PPC and SEO campaign at the same time can drive to an increase in profits up to 27% according to a BrightOak study
Nearly half of digital marketing budgets are spent on search, with 31% on paid search and 18% on SEO (MarketingProfs)