I need to be able to cause a php file to deliver a "dynamic" image kind of like you see from vBulletin and web bugs. What I want to do is use a JavaScript to write in a web bug that contains screen resolution information (e.g. webbug.gif?R=800x600). This information would be then written to a text file that I could look at to figure out what percentage of my users are using resolutions less than 1024x768. The returned image would be a blank 1x1 GIF. I don't want to use a third party hosted solution to do this tracking for me.
According to http://TheCounter.com around 15% of users are still using 800x600. As I have a very high corporate and academic user base, what I'm hoping to find is that less than 5% of my user base uses 800x600 or smaller. If this is the case, I could change my site layout from 756px wide to 990px wide.
There are some sections of my site that really need to go to a wider format than the 756px I currently have my pages locked to and having dynamic width pages is not an option. If I could go to a 980px wide format some usability issues I'm running into with new features I'm rolling out would go away.
Forcing 15% of my users to horizontally scroll is not desirable, but once the percentage of my users still using something less than 1024x768 drops below 5% I feel that I can make the layout change I want.
An example of the issue I am having is on http://environmentalchemistry.com/yo...chemicals.html, because of the necessary width of the "49CFR Hazardous Materials Table and the available width of my content area I have to cause the table to horizontally scroll. Restructuring the layout to eliminate the left hand ads and/or the right hand menu is not an option. Increasing the width of the page layout would allow me to increase the width of the content area by 200px, which would resolve the horizontal scrolling issue.
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