I see frequent posts on webmasterworld.com: 'My AdSense revenue/EPC/eCPM is/are down, what's going on?' - the conversation often degrades into a slam session asserting that it's all a conspiracy or the phases of the moon may be factor - so, I've been thinking of some of the things that a webmaster can control, and those that can't be controlled.

Here are things I have discovered over the years: It is important to focus on the things that you can control, and not worry too much about the things you can't control directly. I find it more productive to focus on the things that I can change, rather than dwell on something totally out of my reach, such as Google's motives or need to increase this quarter's profits.read more »

Sometimes, it's a real pain in the behind to use the AdSense Preview Tool (or other methods) to determine the URLs you need to insert into your competitive ad filter. This tool helps simplify the process - just enter the URL you are interested in, and click 'Do It', and this tool will extract a list of advertiser URLs to add to your competitive filter list.

Please note: This is a beta version. Constructive feedback is always welcome.