- Google Trends – search patterns and trends.
- xinureturns – search engines, social bookmarking results aggregation.
- quantcast – Internet ratings
- alexa – traffic and changes
- analytics – keywords / traffic source / visitors and more
- compete – advertisers like reports from compete
- search-directory – categories search tool
I’d like to say a massive thank you to the guys developing these fantastic search engine optimization tools, which make our life much easier.
Matt