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Philip Tellis - Analyzing Network Characteristics Using JavaScript And The DOM, Part 2

In Part 1 of this series, we had a look at how the underlying protocols of the Web work, and how we can use JavaScript to estimate their performance characteristics. In this second part, we’ll look

performance , coding , Javascript

Philip Tellis - Analyzing Network Characteristics Using JavaScript And The DOM, Part 1

In this article, we’ll look at some methods of manipulating JavaScript to determine various network characteristics from within the browser — characteristics that were previously available only to a

performance , coding , Javascript

Philip Tellis - Keeping Web Users Safe By Sanitizing Input Data

In my last article, I spoke about several common mistakes that show up in web applications. Of these, the one that causes the most trouble is insufficient input validation/sanitization. In this arti

php , Security , coding

Philip Tellis - Common Security Mistakes in Web Applications

Web application developers today need to be skilled in a multitude of disciplines. It’s necessary to build an application that is user friendly, highly performant, accessible and secure, all while e

php , Security , coding