It's always important to know for developers what browsers they are developing for, who dominates the market, and what the current trends are.

I have gotten my hands on the Plaxo.com visitors' browser stats for December of 2009.

This information is valuable because Plaxo has a relatively general demographics, as it's not a site only geeks or only moms visit, and the statistics tends to not be skewed. Therefore, as you can see, Firefox doesn't occupy the same share as you might see on a techy site (on this site, more than 50% of users visit in Firefox).

Also, since Plaxo has a couple million monthly visitors and therefore a couple million data points, statistically speaking these numbers are relatively …

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image As a backend developer, I don't get to work with JavaScript much anymore. However, from time to time, a project would come along that uses JavaScript (specifically, AJAX) to load some backend data on the fly. Of course, nothing works 100% right away*, so I would often have to tweak this JavaScript and massage it until it does what I need.

Here's where Firebug comes in with its JavaScript debugger. I'm used to using a debugger in every language I deal with, so using Firebug is a no brainer. Since it supports breakpoints, stopping execution and inspecting local variables and the rest of the scope generally beats alerts and console.logs for me.

Here's what a typical breakpoint looks …

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Updated: June 9th, 2009

image Introduction

Clickjacking is a malicious technique of tricking web users into revealing confidential information or taking control of their computer while clicking on seemingly innocuous web pages. A vulnerability across a variety of browsers and platforms, a clickjacking takes the form of embedded code or script that can execute without the user's knowledge, such as clicking on a button that appears to perform another function (credit: Wikipedia).

Clickjacking is hard to combat. From a technical standpoint, the attack is executed using a combination of CSS and iFrames, which are both harmless web technologies, and relies mostly on tricking users by means of social engineering. Additionally, the only server side technique against clickjacking known to me is “frame breaking

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