Search Engine Optimization - SEO

Top 15 Most Popular Social Bookmarking Websites..

Facebook
900,000,000 - Estimated Unique Monthly Visitors | 3 - Compete Rank | 3 - Quantcast Rank | 2 - Alexa Rank | Last Updated: April 1, 2016.

Twitter
310,000,000 - Estimated Unique Monthly Visitors | 19 - Compete Rank | 8 - Quantcast Rank | 8 - Alexa Rank | Last Updated: April 1, 2016.

Pinterest
250,000,000 - Estimated Unique Monthly Visitors | 29 - Compete Rank | 13 - Quantcast Rank | 26 - Alexa Rank | Last Updated: April 1, 2016.

Google Plus+
120,000,000 - Estimated Unique Monthly Visitors | *24* - Compete Rank | *28* - Quantcast Rank | NA - Alexa Rank | Last Updated: April 1, 2016.

Tumblr
110,000,000 - Estimated Unique Monthly Visitors | 53 - Compete Rank | 13 - Quantcast Rank | 34 - Alexa Rank | Last Updated: April 1, 2016.

Reddit
32,000,000 - Estimated Unique Monthly Visitors | 227 - Compete Rank | 27 - Quantcast Rank | 60 - Alexa Rank | Last Updated: April 1, 2016.

StumbleUpon
28,000,000 - Estimated Unique Monthly Visitors | 699 - Compete Rank | *50* - Quantcast Rank | 152 - Alexa Rank | Last Updated: April 1, 2016.

Digg
6,000,000 - Estimated Unique Monthly Visitors | *950* - Compete Rank | 2,393 - Quantcast Rank | 492 - Alexa Rank | Last Updated: April 1, 2016.

MetaFilter
4,500,000 - Estimated Unique Monthly Visitors | 2,139 - Compete Rank | 458 - Quantcast Rank | 3,600 - Alexa Rank | Last Updated: April 1, 2016.

Newsvine
4,000,000 - Estimated Unique Monthly Visitors | 2,071 - Compete Rank | *240* - Quantcast Rank | 3,934 - Alexa Rank | Last Updated: April 1, 2016.

Folkd
3,000,000 - Estimated Unique Monthly Visitors | NA - Compete Rank | NA - Quantcast Rank | 2,093 - Alexa Rank | Last Updated: April 1, 2016.

FARK
2,500,000 - Estimated Unique Monthly Visitors | 3,873 - Compete Rank | 2,503 - Quantcast Rank | 2,943 - Alexa Rank | Last Updated: April 1, 2016.

Scoop.it
2,000,000 - Estimated Unique Monthly Visitors | 6,218 - Compete Rank | 10,152 - Quantcast Rank | 591 - Alexa Rank | Last Updated: April 1, 2016.

Slashdot
1,600,000 - Estimated Unique Monthly Visitors | 9,118 - Compete Rank | 7,322 - Quantcast Rank | 1,631 - Alexa Rank | Last Updated: April 1, 2016.

Delicious
1,500,000 - Estimated Unique Monthly Visitors | 10,072 - Compete Rank | 7,032 - Quantcast Rank | 1,235 - Alexa Rank | Last Updated: April 1, 2016.

What Is SEO / Search Engine Optimization?

SEO stands for “search engine optimization.” It is the process of getting traffic from the “free,” “organic,” “editorial” or “natural” search results on search engines.