At the end of its third year, the average ecommerce company generates $1.1 million in revenue per month. But the most successful ecommerce stores have a different story. “After three years, companies in the top quartile have almost 4x the number of monthly orders, resulting in 279% higher number of all-time orders,” RJMetrics writes in its ecommerce Growth Benchmark Report. Unsurprisingly, these ecommerce stars have both an impressive start and a consistently strong growth trajectory. “By month six in business,…