June 2008
Beginner to intermediate
160 pages
4h 48m
Polish
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Rozdział 14. Reguła 12. Usuwanie duplikujących się skryptów
Na zmniejszenie wydajności działania strony internetowej wpływa umieszczenie na niej dwóch takich samych plików JavaScript. Wbrew pozorom taka pomyłka wcale nie zdarza się tak rzadko. Przejrzenie dziesięciu najczęściej wyświetlanych witryn internetowych w USA wskazuje, że dwie z nich (CNN oraz YouTube) zawierają powtarzające się skrypty.
Jak taka sytuacja może się zdarzyć? W jaki sposób wpływa na wydajność witryny? Jak można jej uniknąć? Odpowiedzi na powyższe pytania znajdują się w rozdziale.
Powtarzające się skrypty — to się zdarza
Dwa główne czynniki wpływające na duplikowanie skryptów na pojedynczej stronie internetowej to wielkość zespołu programistów oraz liczba skryptów.
Opracowanie ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.