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Why is JavaScript important for the service functionality?
JavaScript is crucial for service functionality as it enables dynamic and interactive web experiences. It provides access to various browser APIs, allowing developers to control and manipulate web content, handle user interactions, manage network requests, and more. JavaScript is also essential for implementing advanced features like offline capabilities, background syncs, and push notifications in Progressive Web Apps through the Service Worker API.
What browser capabilities must be enabled for access?
To enable access, the browser must support JavaScript and cookies, and they should not be blocked from loading. Additionally, the browser should have an accessible interface, be operable by keyboard only, and be compatible with assistive technologies such as screen readers5.
What might cause the blocking of page loading?
Page loading can be blocked due to render-blocking resources such as CSS and JavaScript files, unoptimized scripts and stylesheets, blocking elements in the intro of the page, external resources, or insufficient server resources. These issues can be addressed through techniques like lazy loading, asynchronous loading, minification, and using a Content Delivery Network (CDN).