Google APIs are application programming interfaces developed by Google which allow communication with Google Services and their integration to other services.
Varnish is an HTTP accelerator designed for content-heavy dynamic web sites. In contrast to other web accelerators, such as Squid, which began life as a client-side cache, or Apache and nginx, which are primarily origin servers, Varnish was designed as an HTTP accelerator. Varnish is focused exclusively on HTTP, unlike other pro...
Google's hosted library for web fonts. Allows websites to choose and use fonts from a free, wide variety of fonts.