The full detailed testing of the site https://eurodeli.us/ is carried out on compliance with the requirements and modes of the customer. The report included a special TZ for the developer, which included the testing of the adaptive layer and functionality on different screen resolutions, full testing in different browsers ( Safari, Google Chrome, Opera, Mozilla Firefox, Edge ), mobile testing on Android and IOS devices of different versions and separately on tablets, load testing, site pages download speed, validity verification, according to the W3 code validator, conducted audits on site vulnerabilities.