Facebook Like Button

Facebook Like Button Usage Statistics · Download List of All Websites using Facebook Like Button

The code to implement a Facebook Like Button on the page.

Facebook Comments

Facebook Comments Usage Statistics · Download List of All Websites using Facebook Comments

Allows users to comment on a sites content and share that on their Facebook wall and streams.

Facebook Like

Facebook Like Usage Statistics · Download List of All Websites using Facebook Like

Allows users to Like items they find on the web, similar to how you Like items within Facebook.

Social Sharing

Facebook SDK

Facebook SDK Usage Statistics · Download List of All Websites using Facebook SDK

JavaScript SDK enables you to access all of the features of the Graph API via JavaScript, and it provides a rich set of client-side functionality for authentication and sharing. It differs from Facebook Connect.

Facebook for Websites

Facebook for Websites Usage Statistics · Download List of All Websites using Facebook for Websites

Allows a user to make a website more sociable and connected with integrations from the hugely popular Facebook website.

Facebook

Facebook Usage Statistics · Download List of All Websites using Facebook

The website mentions facebook.com in some form.

SPF

SPF Usage Statistics · Download List of All Websites using SPF

The Sender Policy Framework is an open standard specifying a technical method to prevent sender address forgery.

DNSSEC

DNSSEC Usage Statistics · Download List of All Websites using DNSSEC

DNSSEC strengthens DNS authentication by using digital signatures based on public key cryptography.

Apache

Apache Usage Statistics · Download List of All Websites using Apache

Apache has been the most popular web server on the Internet since April 1996.