Unified Advertising and Analytics solutions from Google
Anti-bot CAPTCHA widget that helps digitize books by providing snippets of books for people to enter the text for. Owned by Google.
Akamai provides a distributed computing platform for global Internet content and application delivery.
Akamai's EdgePlatform is one of the world's largest distributed computing platforms. It is a network of more than 95,000 secure servers equipped with proprietary software and deployed in 71 countries.
CloudFlare is a global CDN and DNS provider that can speed up and protect any site online.
A semantic personal publishing platform with a focus on aesthetics, web standards, and usability.
Google Tag Manager makes it easy for marketers to add and update website tags including analytics, remarketing, and more.
This site uses the viewport meta tag which means the content may be optimized for mobile content.
Amazon Route 53 is a highly available and scalable Domain Name System (DNS) web service.
Akamai's network is one of the world's largest distributed-computing platforms, responsible for serving 30 percent of all web traffic.
Stripe is a developer-friendly way to accept payments online and in mobile apps.
A family of standard web feed formats used to publish frequently updated information like blog entries, news headlines, audio and video.
Content Security Policy is best used as defense-in-depth, to reduce the harm caused by content injection attacks.
The Open Graph protocol enables any web page to become a rich object in a social graph, a open protocol supported by Facebook
Chrome for Android, since version 39 supports the "theme-color" meta tag to allow websites control the background color of the tab's UI header.
This page contains a meta robots tag which tells search engines and robots to index or not index the page.
UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.