InternetRetailing would like to thank our Knowledge Partners, the companies that have offered original research insights, plus advice and guidance, in putting together the IREU 500.
BuiltWith, a website assessment company, found the technologies in use on every IREU 500 website – from ecommerce platforms to logistics plug-ins.
GTmetrix, a website monitoring company, assessed how well IREU 500 websites had been designed for mobile devices.
NCC Group, a company that, among other services, offers website monitoring and consultancy services to retailers, performed multiple tests of all EEA-localised landing pages of the IREU 500.
Poq contributed a dataset on the relative value of app features, measured by time spent in-app, average order value and conversion rate. The app developer also assisted in the design and research of a pan-European app capability study used in this report.
Email experts Return Path drew upon their millions-strong consumer base to gauge the average interaction a subset of IREU 500 retailers received in France, Germany and the UK.
SimilarWeb, a web traffic monitoring company, contributed data on the number of users using IREU 500 websites on a country-specific basis.