Reading notes: How Google Works – Jean-Pierre Lambert's blog
As the client hauls the guide, the lattice squares are downloaded from the server and embedded into the page. At the point when a client looks for a business, the outcomes are downloaded out of sight for addition into the side board and guide; the page isn't reloaded. Areas are drawn progressively by situating a red stick (made out of a few in part straightforward PNGs) over the guide pictures. A shrouded IFrame with shape accommodation is utilized in light of the fact that it jelly program history. In the same way as other Google web applications, Google Maps utilizes JavaScript extensively.[15] The webpage likewise utilizes JSON for information exchange instead of XML, for execution reasons. These strategies both fall under the expansive Ajax umbrella. The outcome is named a slippy guide and is actualized somewhere else in activities, for example, OpenLayers.[citation needed] Clients who are signed into a Google Account can spare areas inconclusively so they are overlayed on t