Anti-bot CAPTCHA widget that helps digitize books by providing snippets of books for people to enter the text for. Owned by Google.
Cookiebot is a GDPR and ePrivacy compliant cookie and online tracking solution.
Google APIs are application programming interfaces developed by Google which allow communication with Google Services and their integration to other services.
This site uses the viewport meta tag which means the content may be optimized for mobile content.
Using this tag you can set up your web app to have an application shortcut icon added to a device's homescreen, and have the app launch in full-screen "app mode".
A semantic personal publishing platform with a focus on aesthetics, web standards, and usability.
A rich hosted Exchange environment for every user without having to manage a server.
Mandrill is a scalable and affordable email infrastructure service, with all the marketing-friendly analytics tools you've come to expect
nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.
PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML.
A family of standard web feed formats used to publish frequently updated information like blog entries, news headlines, audio and video.
Really Simple Discovery is a way to help client software find the services needed to read, edit, or "work with" weblogging software.
A pingback is one of four types of linkback methods for Web authors to request notification when somebody links to one of their documents. This enables authors to keep track of who is linking to, or referring to their articles.
Open graph description entity tag
The Open Graph protocol enables any web page to become a rich object in a social graph, a open protocol supported by Facebook
A WebSite is a set of related web pages and other items typically served from a single web domain and accessible via URLs.
This page contains a meta robots tag which tells search engines and robots to index or not index the page.
A canonical link element is an HTML element that helps webmasters prevent duplicate content issues by specifying the "canonical", or "preferred".
By adding rel="home" to a hyperlink, a page indicates that the destination of that hyperlink is the homepage of the site in which the current page appears.
Google's hosted library for web fonts. Allows websites to choose and use fonts from a free, wide variety of fonts.
UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.