All keywords in Java

  • 09 March 2020
  • ADM

Keywords are special words in the programing language which have reserved use in the language. Keywords may not be used as identifiers in Java; for example you cannot declare a field whose name is a keyword.


On-page SEO

  • 20 February 2020
  • George

On-page SEO or On-site SEO is the process of optimizing the web page content for search engines and users. The practices for on-page SEO include optimizing title tags, content, internal links and URLs.


XML and HTML sitemap file in SEO

  • 16 February 2020
  • George

The sitemap's a file place on your website that will enable Google and other search engines to crawl better and understand the structure of the site. Sitemaps also tell search engines which pages on your site are most important. It's a binder of your website's content.


Robots.txt File in SEO

  • 13 February 2020
  • George

A robots.txt file tells search engine crawlers which pages or files the crawler can or can't request from your site. This is used mainly to avoid overloading your site with requests; it is not a mechanism for keeping a web page out of Google. To keep a web page out of Google, you should use noindex directives, or to password-protect your page.


JSON is part of JavaScript programming language and is the main choise when it comes to data manipulation in JavaScript.

JSON is used from storing data, transfering data between client and server to configuring data.


For a long submit operation or to avoid users clicking twice a submit button, a common solution is to disable the submit button after user clicked on it.

To disable a button using jQuery you need to add the disabled attribute to the button as true.