sem

SpyFu.com is a pretty nice tool to check who competes with whom on paid search with what keywords. It also tries to guess CPC and daily ad budget for a domain or keyword.

Here are the two articles trying to make sense of SpyFu's magic:

• 4 Ways to Fool Your Competitors Using SpyFu
• The Small (but Great) SpyFu Experiment

My guess is that SpyFu probably uses Google AdWords Traffic Estimator to get CPC, daily click volume, ad position estimates and do some estimation on daily ad budget.

Tags: adwords ppc sem spyfu cpc quality_score competitive_analysis

In case you have too much money to experiment or to spend, you can use Google Adwords' default match type broad match.

• Save Money on PPC Ad Campaigns
• Don’t Get Duped By Google And Yahoo! Match Typing
• SEM News, The Ultimate Guide To Search Marketing Optimization, & Broad Match Or Not?

Tags: google adwords ppc broad_match match_type sem