Prefetching Resources
Posted on March 2, 2016 by Dimitar Ivanov
Speed up your website using HTML5 prefetching. Learn what is DNS prefetch and page prerender and how they improve the user experience.
How to prevent SQL injections in PHP
Posted on February 14, 2016 by Dimitar Ivanov
Learn how to prevent an SQL injections in PHP and make your web forms more secure using prepared statements and type casting.
Cross-Origin Resource Sharing
Posted on February 13, 2016 by Dimitar Ivanov
Learn how to make cross-site HTTP requests using CORS. Cross-domain AJAX calls as a modern alternative to the JSONP pattern.
Task automation with Gulp.js
Posted on January 13, 2016 by Dimitar Ivanov
Learn how to automate your daily tasks using Gulp - a streaming build system for Node. Boost your performance with task runner.
Progress Indicator for AJAX Request
Posted on January 9, 2016 by Dimitar Ivanov
Learn how to display a task progress by utilizing HTML progress element and ProgressEvent JavaScript API.
Cross Domain Fonts
Posted on December 13, 2015 by Dimitar Ivanov
See what's the problem with using of cross-domain fonts and how to solve the CORS issue with web fonts. Overcome the font-face issue with adding a simple header.
HTTP Caching Headers
Posted on December 5, 2015 by Dimitar Ivanov
Learn how to cache static resources and speed up your web page. Optimize your website by adding cache-control and expires headers.
CSS Transitions
Posted on November 29, 2015 by Dimitar Ivanov
Learn how the CSS transition works, what is the difference compared to CSS animations, when to use a transition or animation.
AJAX and HTTP Basic Auth
Posted on October 21, 2015 by Dimitar Ivanov
Learn how to use HTTP Basic Authentication with jQuery Ajax or raw javascript XmlHttpRequest interface.
AJAX File Upload
Posted on October 3, 2015 by Dimitar Ivanov
Alternatives of jQuery ajax file upload. XMLHttpRequest file upload with raw javascript using the FormData, FileList and FileReader APIs.

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