Devtantra Blog

Tutorials about Android, Angular, ReactJS, PHP, MySQL and Web Development

Recent Posts

Work with robot.txt

Your site content is very important for your Site . The site crawl take most important part of your site , robot.txt tells search engine how they should visit your site .If you want to block specific search engine & also directories. So by the help of robot.txt you can do the job easily .The […]

Generate Your Visualized Data

You know that if are visualized  your data in html then you use some specific CSS code and these are width/height  for different -different part of your data, but you have visualized your data without css ? that is possible by using D3.js . D3.js is java-script library that uses digital data to drive the […]