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Why web pages do not work?

A brief explanation for regular users

August 8, 2020,  |  What parts does the whole web page consist of?
The main file types that make up a web page:
1. Internet HTML page - file with the extension html, htm, xhtml, php, asp...
2. JavaScript - code embedded in an HTML page or an external file with the extension js
3. CSS - cascading styles in an HTML page or an external file with the extension css
4. Images - files with extension gif, jpg, jpeg, png, bmp, tiff...
5. Videos - files with extension gif, mp4, mpeg, mpg, avi, wmv, 3gp, mkv, mov...
6. Cookie - files containing user preferences of the website

What happens when you open a web page?
When you open a web page, all file types are combined into one page. There are three ways this can happen.
1. All parts of the web page are loaded from the Internet.
2. Some parts are loaded from the Internet and some from your computer's disk.
3. All parts of the web page are loaded from your computer's disk.
The first two cases are the most common.

Why doesn't the web page work?
Web pages are modified, moved or deleted from time to time.
1. If a web page is modified, some or all of it parts are changed. The problem occurs when your web browser loads some parts of the changed page from the Internet and some parts of the old page from your computer's disk. Parts of the page on the computer disk are no longer up to date and do not work with changed parts of the page from the Internet. To resolve this issue, clear your web browser history for the entire browsing period. Then the browser loads all parts of the web page from the Internet and it will work as it is made.
2. A web page or any part of it temporarily unavailable. The web page may appear to be deleted or down, but it's not. If this is only a temporary outage, just reload the page after a few seconds or minutes and it will work. If this is a major outage, the page will not work for several hours or days.
3. If a web page moves to a new web address, it takes several months for an Internet search engine to register the change. When you click on such a link in a search engine, you will not see the page because it has been moved to a new Internet address.
4. If a web page is removed, it takes several months for an Internet search engine to register the change. When you click on such a link in a search engine, you will not see the page because it has been removed.

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