Anti-bot CAPTCHA widget that helps digitize books by providing snippets of books for people to enter the text for. Owned by Google.
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.
Akamai provides a distributed computing platform for global Internet content and application delivery.
Akamai's network is one of the world's largest distributed-computing platforms, responsible for serving 30 percent of all web traffic.
Content Security Policy is best used as defense-in-depth, to reduce the harm caused by content injection attacks.
UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.
The http-equiv attribute provides an HTTP header for the information/value of the content attribute. The http-equiv attribute can be used to simulate an HTTP response header.
This page contains a meta robots tag which tells search engines and robots to index or not index the page.