The NewRelic Ruby Sample Code by NewRelic demonstrates API interaction to integrate analytics into applications. With code available as a reference, developers could monitor the performance of web services.
As various services like Facebook deal with competitors by packing more functionality into their apps, those apps are increasingly experiencing usability issues. In the old days of the API economy, outside developers could leverage a service's APIs to build something better. But those days are gone.
The latest Chrome 65 release includes two new APIs: CSS Paint API and Server Timing API. The CSS Paint API allows an image to be programmatically generated whenever a CSS property of a web page expects an image. The Server Timing API is used to track performance timing of the server for a website.