Ahrefs is an online toolset utilised for search engine optimisation (SEO) and competitor analysis, which permits users to analyse their website's performance, track keyword rankings, identify backlink opportunities, and research competitors' websites, among other features.
Blogger is a blog-publishing service that allows multi-user blogs with time-stamped entries.
Google AdSense is a program run by Google through which website publishers serve advertisements that are targeted to the site content and audience.
Histats is a simple website visitor analysis and tracking tool.
Open Graph is a protocol that is used to integrate any web page into the social graph.
OpenGSE is a test suite used for testing servlet compliance. It is deployed by using WAR files that are deployed on the server engine.