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this post was submitted on 06 Sep 2023
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I believe you are mistaken, there is no way that reloading a tab from the web is faster than it being read from the disk.
For this you have to know that what gets swapped to disk is not the static content that you'd load upon opening a website, it's the entire memory used by the tab.
Static web content is usually kilobytes to megabytes and is also largely cached (on disk even). A tab's memory usage OTOH ranges from dozens to hundreds of MB.
Even a fast drive needs quite a long time (in computer terms) to load something like that, especially given that the access is likely not sequential and has a low queue depth.