In the early days of the Internet , when you typed in a URL of the page you came back was almost always written in its entirety by a human hand. Creating an entire web site with many different pages , and keep everything consistent through it was very hard work . Tend to look like this very often pages.
It was not long before people began to automate the process. Today, most of the sites you visit are not fixed generated HTML files as my example, but by software . Some sites, like Facebook and Google have their own special secret code, others rely on programs building website ready to saying things like WordPress , Drupal, DotNetNuke or Plone.
These programs, called Web applications , create web pages dynamically. This means they can change from day to day or minute to minute, they can recognize different users and customize content for them , they can keep a history of research or purchase and offer new things can certainly users . Every day someone invents something new to the Web and Web applications are constantly growing and changing .
These programs are written in a variety of different programming languages , including PHP , Perl, Ruby , ASP.NET and Java. They often work with databases such as MySQL , PostgreSQL, SQL Server or Oracle.
You may also hear of something called AJAX. It uses Javascript on the webpage to talk to a Web server program , typically do updates directly on the page very smooth way . Google Instant Search is a recent example of an AJAX application.
And developers of websites build , customize and extend Web applications using programming languages , databases and much more geekier .
It was not long before people began to automate the process. Today, most of the sites you visit are not fixed generated HTML files as my example, but by software . Some sites, like Facebook and Google have their own special secret code, others rely on programs building website ready to saying things like WordPress , Drupal, DotNetNuke or Plone.
These programs, called Web applications , create web pages dynamically. This means they can change from day to day or minute to minute, they can recognize different users and customize content for them , they can keep a history of research or purchase and offer new things can certainly users . Every day someone invents something new to the Web and Web applications are constantly growing and changing .
These programs are written in a variety of different programming languages , including PHP , Perl, Ruby , ASP.NET and Java. They often work with databases such as MySQL , PostgreSQL, SQL Server or Oracle.
You may also hear of something called AJAX. It uses Javascript on the webpage to talk to a Web server program , typically do updates directly on the page very smooth way . Google Instant Search is a recent example of an AJAX application.
And developers of websites build , customize and extend Web applications using programming languages , databases and much more geekier .
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