Consumers are becoming more price sensitive, comparing deals online and sticking to essential purchases.
Totals rise by 2.3% in September, with food and clothing leading the way.
Fixed monthly fee model is among the emerging trends fuelling huge rise in ecommerce orders among lingerie sellers
The rise of click and collect also drove double digit multichannel retail growth for the first time in two years.
Men's and women's underwear and intimate apparel accounted for two out of five of Amazon's top-selling apparel categories last year.
The months preceding an election tend to witness a lower rate of growth than the equivalent months in non-election years.
Historical analysis indicates a strong correlation between elections and a dip in consumer spending.
Shoppers are getting more confident about checking out with higher baskets through mobile devices.
Warning signs that sustaining this rate of online growth throughout the whole year may be a challenge.
Now is the time for retailers to review, analyse and enhance their ecommerce websites, says Tryzens.