URL parameters are extra bits of information added to a web address (URL) to help a website understand what you're looking for or what you want to do. Think of it like adding special instructions to a letter you're sending!
The concept of passing information through URLs has been around since the early days of the internet. It provided a simple way for web servers to handle requests and provide dynamic content. As websites became more complex, URL parameters became essential for managing different types of data.
name=value. Multiple parameters are separated by ampersands (&).www.example.com/search?q=computer&page=2, q is the parameter name for the search query, and computer is its value. page is another parameter with the value 2.%20) to ensure they are correctly transmitted.Let's look at some real-world examples to understand how URL parameters are used:
| Example | URL | Explanation |
|---|---|---|
| Search Query | www.example.com/search?q=science |
The q parameter specifies the search term, which is "science" in this case. |
| Product Filtering | www.example.com/products?category=books&price=10-20 |
The category parameter filters products to show only "books", and the price parameter filters to show products priced between 10 and 20. |
| Page Navigation | www.example.com/articles?page=3 |
The page parameter indicates that the user wants to view the third page of articles. |
| Tracking | www.example.example.com/offers?utm_source=facebook&utm_medium=cpc |
These parameters are used for tracking the source and medium of the traffic coming to the offers page. |
URL parameters are a fundamental part of how websites handle information. By understanding how they work, you can better understand how websites track, filter, and deliver content. They are a simple but powerful tool that helps make the internet more interactive and useful!
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