Firefox is my browser of choice. Although we happen to have a rather large number of Opera followers at the TS forums, I have been left unconvinced and kept faithful to Firefox ever since version 1.5 came out. At that point the browser was more secure than ever, rock solid, very polished and popular enough that you had dozens of extensions to customize it to your liking. I haven’t looked back ever since.
Now, one of the most obvious tweaks you can apply to your Firefox installation is removing the annoyance of letting websites resize the browser window at their will. Despite of the more sophisticated pop-up blocker that comes in most recent versions of the browser, many websites still do away with popping those up and in many cases resizing either your main window or maximizing the pop-up window to get your full attention (just before you hit the X button).
You won’t even need an add-on to do this.
1. Go to Tools > Options
2. Click on the Content tab
3. Next to where it says “Enable Javascript”, click on Advanced
4. Uncheck the option “Move or resize existing windows”
You’re done! I will try to bring more of these basic, and other not so basic tips on a regular basis to the blog.
via Prevent websites from resizing Firefox’s browser window – TechSpot Blog.