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14 million sites can’t be wrong.

Boost traffic. Increase engagement. Know your users.


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new customers.

  • Audience segments based on search, site and social data from 1.3B users
  • Custom audiences modeled from your own customers
  • New! Purchase-based segments include offline buying data

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Audience Products

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Introducing Social Sign In

Social Sign In buttons allow your visitors to easily connect with your site. More

AddThis Named Top Innovator in Advertiser Data by Data Week

The US's largest data conference crowd-sourced votes for greatest data innovations. AddThis' work in advertising and audience modeling... More

Site of the Week:
This week’s Site of the Week highlights a brand new site – - launched in September of this year. As they describe in their About Us section, they are a “platform devoted to original, true and in-depth stories.” Each week has a … Continue reading

Solutions for our WordPress Publishers
WordPress continues to be one of the most popular platforms with a diverse landscape of many great blogs and other publishers. This is why we’ve put so much focus in making our AddThis social tools easily accessible for the WordPress community. Recently, … Continue reading

Follow the leader.

14 Million


AddThis social plugins and analytics are used by over 14 million sites worldwide.

1.3 Billion


AddThis reaches 1.3 billion unique users worldwide monthly through the sites that use our platform.

10 Tb


AddThis plugins are loaded over 3 billion times a day, generating 10 terabytes of data daily. That's as much data as a digital Library of Congress weekly.



AddThis Social+ audiences enable over 500 brands to reach the right audiences at the right time across the web via real-time bidding platforms.

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Work with us.

AddThis is growing fast. We're looking for passionate people that can make things happen and have fun while they do it.

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