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Gapminder: Unveiling the beauty of statistics for a fact based world view. 6 Indispensable Free & Freemium SEO Tools. When you are working on search engine optimization for your own business or for a client’s website, you will need some great SEO tools. If you have the budget, you can certainly pay for the best SEO tools the Internet has to offer, but if you don’t, then free and freemium tools are the alternative. Free tools are just that – free to use as much as you want for any of your projects. Freemium tools, on the other hand, have both free and premium rate plans based on your needs. The following are my six favorite free and freemium tools that are indispensable for SEO’s everywhere. 1.

AdWords Keyword Tool for Keyword Research All SEO campaigns should begin with keyword research. 2. SEO Book actually has several free SEO tools on their website. 3. Want to quickly check stats about a website you are viewing including PageRank, SEO Title, Meta Description, Alexa Traffic Ranking, Incoming Links, SEOmoz Domain & Page Authority, and a wealth of other on-site optimization information?

The best part? Socrata | Making Data Social. Visualizing.org | Data Visualizations, Challenges, Community. Social Development. Energy & Mining. Agriculture & Rural Development. Economic Policy & External Debt. Best Places to Live | Compare cost of living, crime, cities, schools and more. Sperling's BestPlaces. SUOMEN WEB-SIVUSTOJEN VIIKKOLUVUT. Trendsmap - Real-time local Twitter trends.

Topics. Free Public Records | Search the Original Directory Worldwide. Tweet-o-Meter - Giving you an insight into Twitter activity from. Is it true that, "New York is the city that never sleeps! "? Do Londoners send more Tweets than New Yorkians'? Is Oslo a bigger Tweeter than Munich? Is Tokyo as much into Tweets as Barcelona? Has San Francisco calmed down after all that talk about the iPad? Tweet-o-Meter Knows! The Tweet-o-Meter measures the amount of tweets (measured in Tweets per Minute or TPM) received from various locations around the world. Tweet-o-Meter is designed to mine data for later analysis relating to furthering our understanding of social and temporal dynamics for e-Social Science within the Twitter demographic. Pop Music Video The music video that inspired the application:

Map Your Twitter Followers. StatWorld - Interactive Maps of Open Data.