What is a URL? It is a question of a uniform source detection system on the Internet, it is also called a universal indicator. It is developed as a typed method of fixing the coordinates of web sites on the World Wide Web. With it, you can save important information, and a list of relevant links - fit into several lines.
URL-what is it?
Let us consider in more detail the significance of this reduction. What does URL mean? A location that determines the way you search for an online source, where you can find the documents, pictures, or videos you want. It explains how the Uniform Resource Locator, the original reduction belongs to Tim Berners Lee, who issued it in a speech at the European Council for Nuclear Research.
What is the "Site URL"?
URL - what is this? After the abbreviation was sounded in the 90s in Geneva, it was called a valuable innovation in the online network. The location was designated for the purpose of highlighting the coordinates of the resource zone, and is now used for all online sites. What does the URL consist of? Structure - of three components:
- The first one: http: //. Sets the protocol used, specifies the method that provides access to the online source.
- The second is the site coordinates. It's about the domain name, it's a set of icons and letters that help to remember the coordinates of the page.
- The third: a folder or a page, html. It marks the position of the resource page where the user is looking for access. Served in the name or path to a particular file.
What is an image URL?
There are many different communities in the network that willingly exchange valuable photos and original pictures. To invite to their sites, where you can find a lot of interesting, expose the coordinates. What is the image URL? This is a pointer to the location of a graphic file on the Internet on some resource. Share this link with friends is very easy. There are two ways to copy the URL of a picture:
- The address in the HTML document. Hover the cursor over the picture, click the right mouse button, in the menu, click "copy". Then in the text file, click on the "paste" menu.
- Through the bookmarklet - bookmark in the browser. Drag the link into the bookmarks bar, go to any web page and click on the bookmark. Images and fields with addresses will appear in the window, they can easily be copied.
Where can I find the URL?
What is a URL link? The address is not only sites, but also files, and video, and photos. Calculate it is very simple, the scheme is identical with the resource of the picture. Click on the file with the right mouse button, click on "copy address". What is the URL of notes in social networks, how can they share it with friends?
- Site "Classmates" . Click on the post and the panel with coordinates will be displayed.
- Sites Vkontakte and Facebook. Right-click on the day the material is released, then copy the link from the browser line.
What does a wrong URL mean?
What URL parameters determine the address? Main list:
- Protocol.
- Host or IP address of the computer.
- Server port, it is not always specified, by default port 80 is used - for all browsers.
- File name or index file.
- The element of the page to open.
Search systems can change addresses, with the appearance of another program code, a new link "wrong URL" appears on Yandex. There are other types of links that are used by experienced program users:
- Absolute reference . Highlights the full path to the file, where the protocol and host are marked, and html is located.
- Relative reference . The paths of such addresses are calculated relative to other landmarks, if there are several files in the folder, each one can issue a link to the "neighbor" - "file.html". When the address starts with a slash, it is necessary to move from the root directory of the site, the folder where the user enters when entering the main page of the site.
- Dynamic link . It is compiled on the go with the help of server programming languages, the "chain" of the URL is taken from the database.