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.
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.
Cloudflare Content Delivery Network (CDN) is a geographically distributed group of servers that ensure fast delivery of Internet content, including HTML pages, JavaScript files, stylesheets, and images.
YouTube is a video sharing service where users can watch, like, share, comment and upload their own videos. The video service can be accessed on PCs, laptops, tablets and via mobile phones.
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.
SimilarWeb is a global multi-device market intelligence company used by hundreds of thousands of businesses worldwide, to discover, track, and grow their digital market. SimilarWeb Pro provides a global view of endless website and mobile app data based on the largest user panel in the industry. The app aggregates all competitor intelligence and makes it completely transparent, helping to optimize onsite content and online marketing efforts.