Tagged “webpage”

1. TIL Dirty bit systems in browsers Feb 12, 2023 browser dom webpage

   In order not to do a full layout for every small change, browsers use a 'dirty bit' system. A renderer that is changed or added marks itself and its children as 'dirty': needing layout. There are two flags: 'dirty', and 'children are dirty' which means that although the renderer itself may be OK, it has at least one child that needs a layout.

2. TIL critical 14kb Jan 30, 2023 critical osimodel webpage

   On the OSI Model -- the physical layer, we send data in 14kb packets. And servers respond to HTTP requests in 14kb chunks. (Note: It can be set to different sizes, but by default... 14kb is the standard/magic number)

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