In this article we will look at the most popular CMS systems for creating your own site.
Articles about web development and programming
The most basic stages in website optimization are text optimization, because most of the visitors to your site come to it from search engines in order to get ...
Describes some of the constructors for the site. Features, advantages, disadvantages.
Why you need to make the buttons inactive:
1) To make it obvious to the user that he already pressed the button and that the form is sent
2) To prevent the server from loading unnecessary requests, and to reduce the likelihood of any error