Websites that have a shopping cart or checkout page, either using a known ecommerce platform or a custom solution.
Google Publisher Tag (GPT) is an ad tagging library for Google Ad Manager which is used to dynamically build ad requests.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Nuxt is a Vue framework for developing modern web applications.
Priority Hints exposes a mechanism for developers to signal a relative priority for browsers to consider when fetching resources.
Vue.js is an open-source model–view–viewmodel JavaScript framework for building user interfaces and single-page applications.