Alexa is a competitor intelligence and website analytics software that provides actionable SEO insights based on a sample of data from the web. Alexa enables users to view audience demographics, engagement, traffic trends, keyword research, traffic sources, and website comparisons.
WordStream for PPC is a robust platform for managing pay-per-click marketing efforts involving large numbers of keywords. WordStream turns your private keyword data into profit-driving PPC campaigns.
Gravatar is a service for providing globally unique avatars and was created by Tom Preston-Werner. It is owned by Automattic, having integrated it into their WordPress.com blogging platform.
Hypertext Markup Language (HTML) is the standard markup language for documents designed to be displayed in a web browser. It can be assisted by technologies such as Cascading Style Sheets (CSS) and scripting languages such as JavaScript.
PHP: Hypertext Preprocessor is a server-side scripting language designed for Web development, but also used as a general-purpose programming language. PHP code may be embedded into HTML code, or it can be used in combination with various web template systems, web content management systems, and web frameworks.
Gmail is a free, advertising-supported email service offered as part of Google's G Suite, with 15GB of storage, color-coded inbox filters and unsend button.
Google AdWords lets create ads that appear in Google search results for certain keywords in certain regions, driving more qualified traffic to their website.