A Uniform Resource Locator, or , is a web address that identifies a resource on the internet. URLs are used to specify the location of web pages, files, and other resources on the . They provide a standardized way to access resources, allowing users and web browsers to retrieve and display the requested .
An URL consists of several components that provide information about how to access the resource, including the , subdomain, domain, top-level domain, and path. The scheme specifies the or method used to access the resource, while the path indicates the location of the specific resource or file on the web server. URL parameters, also known as query parameters, can be added to the end of a URL using a question mark, followed by key-value pairs, which allows users to pass data or modify the behavior of a web page.
The Domain Name System (DNS) is a crucial component of the internet that facilitates user-friendly access to websites by translating human-readable domain names into numerical addresses used to connect to devices on the internet. When a domain name is entered into a browser, a series of queries occur, starting from a DNS resolver that checks its cache, contacting root DNS servers, and ultimately directing to the authoritative server for the specific domain. This entire process enables devices to establish connections to the appropriate web servers and access content efficiently.
Keywords
scheme | world wide web | dns | ip | information | url | protocol |
