If you care about web page speed, that is the information you have to memorize first.
The most important concept in pagespeed is the critical rendering path. This is true because understanding this concept can help you do a very wonderful thing… Make a large webpage with many resources load faster than a small webpage with few resources.
Since most webpages have many different components, it is not always possible to just remove everything to make a page load faster. If you have ever wondered “What else can I do to make my pages fast?” or “How does Google expect pages to load in one second?” then this concept is for you.
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