I have read somewhere Facebook load pages by an hi开发者_JAVA技巧dden iframe by an Ajax call...Is this true??
Facebook uses something they call BigPipe, which splits the page up into a bunch of little "pagelets" that are individually loaded via AJAX.
In the image below, the areas highlighted in light-blue are individual pagelets.
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
加载中,请稍侯......
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