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Devilzc0de Forum › Information Technology › Programming › HTML / CSS / Javascript v
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Bikin Webpage Lebih Cepet Dirender Browser

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Bikin Webpage Lebih Cepet Dirender Browser
05-10-2011, 01:12 AM
Post: #1
assadotcom Offline
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Bikin Webpage Lebih Cepet Dirender Browser
[Image: browser-render.png]
Semua pengguna internet ingin mengakses website dengan kecepatan render masimal, adalah tugas web developer bagaimana menghasilkan website yang cepat untuk dirender oleh browser.

Kecepatan render sebuah browser secara umum dipengaruhi oleh beberapa faktor yaitu: HTML DOM structure, CSS, Javascript, Image yang dimuat, dan lain-lain. Berikut ini adalah tips sederhana yang sangat berpengaruh terhadap kecepatan web page anda yang tentunya terdiri dari rangkaian script yang kemudian diterjemahkan kedalam sebuah bentuk visual dalam browser client.

DOM HTML
Gunakan struktur yang baik sesuai dengan hirarki dan fungsinya.

CSS
Browser menguraikan setiap struktur elemen (DOM Tree) dan kemudian engine CSS browser akan mencocokan setiap rule style yang sesuai dengan yang telah dideklarasikan. Dalam prosesnya, CSS engine mengevaluasi setiap rule dari paling kanan ke kiri.

Lebih baik

Code:
body{color:#333;....}
a.Title{ font-size:2.0em;... }

dibandingkan dengan

Code:
body{color:red;....}
div ul li a.Title{ font-size:2.0em;... }

Karena terlalu banyak rule dan hirarki yang harus uraikan.

Minimalisasi terjadinya Round Trip Time (RTT)
Round Trip Time adalah waktu yang dibutuhkan client (browser) melakukan request dan server mengirimkan respon. Contoh penggunaannya adalah dengan menghindari penggunaan @import CSS.

misalnya anda mempunyai script first.css yang didalamnya memnuat second.css

Code:
@import url("second.css")

cara diatas akan mempertinggi RTT, mengapa? karena browser tidak dapat melalukan download secara pararel script dari file yang diimport. Sebaiknya gunakan metode dibawah ini:

Code:
<link rel="stylesheet" type="text/css" href="firts.css" />
<link rel="stylesheet" type="text/css" href="second.css" />

Perhatikan urutan style dan script pada kasus berikut ini:

Code:
<head>
<link rel="stylesheet" type="text/css" href="stylesheet1.css" />
<script type="text/javascript" src="scriptfile1.js" />
<script type="text/javascript" src="scriptfile2.js" />
<link rel="stylesheet" type="text/css" href="stylesheet2.css" />
<link rel="stylesheet" type="text/css" href="stylesheet3.css" />
</head>

[Image: waterfall1.png]

Code:
<head>
<link rel="stylesheet" type="text/css" href="stylesheet1.css" />
<link rel="stylesheet" type="text/css" href="stylesheet2.css" />
<link rel="stylesheet" type="text/css" href="stylesheet3.css" />
<script type="text/javascript" src="scriptfile1.js" />
<script type="text/javascript" src="scriptfile2.js" />
</head>

[Image: waterfall2.png]

Source Chip - Tips
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05-10-2011, 01:22 AM
Post: #2
aciz a.k.a n1nj4 Offline
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RE: Bikin Webpage Lebih Cepet Dirender Browser
numpang nampang di page one.... :P
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05-10-2011, 01:33 AM
Post: #3
assadotcom Offline
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RE: Bikin Webpage Lebih Cepet Dirender Browser
Pertamax
Keduax
Ketiax
Kesempax
Kelimax
ngakak
Gedubrax!!! ^_^
(05-10-2011 01:22 AM)aciz a.k.a n1nj4 Wrote:  numpang nampang di page one.... :P
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05-10-2011, 08:08 AM
Post: #4
AaEzha Away
nobody
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RE: Bikin Webpage Lebih Cepet Dirender Browser
masih bingung seh..
tapi gpp deh..ntar juga ilang bingungnya ngakak
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05-10-2011, 08:47 AM
Post: #5
~c()k3~ Offline
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RE: Bikin Webpage Lebih Cepet Dirender Browser
bingung... hahaha
baru ngerti html dasar aja...
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05-10-2011, 12:51 PM
Post: #6
Cruz3N Offline
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RE: Bikin Webpage Lebih Cepet Dirender Browser
Mantep Bro, kadang hal2 kyk gitu yang kelewatan. Sebenernya banyak yang bisa kita lakuin biar web kita jadi cepet dibuka kyk tehnik kompresi baik file css, js sama imagenya...

Gw kira css itu simple ternyata ribet dah T.T...
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05-10-2011, 03:29 PM
Post: #7
darkslayer Offline
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RE: Bikin Webpage Lebih Cepet Dirender Browser
jadi intinya pake eksternal CSS terus di order by ekstensi gitu y bro?
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05-11-2011, 04:09 AM
Post: #8
assadotcom Offline
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RE: Bikin Webpage Lebih Cepet Dirender Browser
± Gitu Sich Ncang, Tapi Kalo Aye Pribadi Sich Lebih Demen Maen CoprezZz Kalo Untuk Urusan Render, Coz Gak Capek Mikirin Codingnya. "CMIIW"
(05-10-2011 03:29 PM)darkslayer Wrote:  jadi intinya pake eksternal CSS terus di order by ekstensi gitu y bro?
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06-27-2011, 04:56 AM
Post: #9
KrisnaSapi Offline
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RE: Bikin Webpage Lebih Cepet Dirender Browser
Wah, sangat berguna nih asik
makasih sharenya, nice post
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06-28-2011, 08:33 PM
Post: #10
apiep Away
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Posts: 51
Joined: Jun 2011
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RE: Bikin Webpage Lebih Cepet Dirender Browser
Makasih kang/om atas tips kira'in gak ada efek soal ntu seneng
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