SEOstats

SEOstats is a basic interface for querying a bunch of services like Google Analytics, Alexa, and so on, for data about a site's visibility and traffic analysis, all from the same codebase, without having to deal with multiple libraries or PHP classes.

This umbrella project makes it possible to get relevant and quite useful information about a site's SEO ranking and its traffic make-up.

Along with traffic and basic SEO data, the library can also get a feel for the site's social media presence, by analyzing how many times links from the site have been shared on various social networks.

With access to over 50 metrics, SEOstats can be used with the following services:
Google
Google+
Facebook
Twitter
LinkedIn
VKontkte
Digg
Delicious
Pinterest
StumbleUpon
Xing
Alexa
Mozscape
Open Site Explorer
SEMRush
Sistrix

As with any respectable project, SEOstats comes with examples and usage instructions.

SEOstats was also the core library on which the WP-SEOstats WordPress plugin.

Requirements:

• PHP 5.3 or higher
• PHP's CURL and JSON extensions