Cara Mengatasi Minify HTML di PageSpeed Insights

Memperkecil HTML atau Minify HTML pada Google PageSpeed Insights adalah masalah kecepatan loading suatu blog yang disebabkan oleh kode HTML yang belum dikompres atau memiliki size yang terlalu besar.

Cara Mengatasi Minify HTML di PageSpeed Insights

Kali ini, Bang Jarwo akan membahas sedikit seputar minify HTML, sampai ke dalamnya.

Kode HTML yang masih memiliki banyak space, tag comment, dan lain sebagainya berkemungkinan besar untuk mendapatkan masalah ini saat mengecek kecepatan loading blognya di Google PageSpeed Insights.

Selain itu, blog yang memiliki masalah ini biasanya loadingnya lambat, dikarenakan sizenya yang besar tadi.

Ada 2 cara untuk mengatasi masalah ini...

...yaitu dengan cara mengkompres HTML dan "memanipulasi" HTML kita. Langsung saja, silahkan baca dan ikuti 2 cara berikut.

1. Mengkompres HTML


Cara ini sebenarnya sudah banyak bertebaran di internet, tetapi ada beberapa hal yang saya lihat belum digunakan di internet. Nanti akan saya beri tahu.

Mari kita mulai dari cara pertama...

  • Menghilangkan whitespace dan jarak


Cara ini sebenarnya mudah, tetapi perlu kesabaran yang besar untuk melakukannya.

Misal pada kode HTML template blog anda terdapat kode seperti ini... (hanya contoh)

<div class='jarwo'>
  <ul> Tes 1 </ul>
  <ul> Tes 2 </ul>
  <ul> Tes 3 </ul>
</div>

Maka anda dapat menghilangkan whitespace dan jarak pada kode tersebut menjadi seperti ini:

<div class='jarwo'><ul>Test 1</ul><ul>Test 2</ul><ul>Test 3</ul></div>

Memang, tingkat readability atau keterbacaannya menjadi sulit, tetapi hal inilah yang membuat loading blog anda menjadi ringan.


  • Menghilangkan comment



Tag comment di sebuah HTML biasanya berbentuk 2 macam, yaitu:

<!-- komentar -->

Dan

<b:comment> komentar </b:comment>

Keduanya sama-sama tidak memiliki fungsi, karena hanya sebagai komentar (penjelas). Saya sangat menyarankan untuk menghapusnya sebisa mungkin, karena tag ini tidak memiliki fungsi sama sekali.

  • Menghilangkan atribut tipe skrip (opsional)


Inilah cara yang saya maksud tadi, yang jarang orang menggunakannya, yaitu menghilangkan atribut type atau tipe pada skrip

Atribut ini biasanya terdapat pada tag pembuka sebuah CSS atau Javascript, yang biasanya berbentuk seperti ini:

type='text/javascript' dan type='text/css'

Cobalah untuk menghapusnya satu-persatu, lalu lakukan tes, apabila script atau CSS menjadi error (tidak bekerja) saat dihapus atribut tipenya, maka mau tidak mau anda tidak menghapusnya.

2. Memanipulasi HTML


Memanipulasi disini bermaksud menambah berat suatu blog, dikarenakan HTMLnya yang terlalu ringan.

Loh, kok bisa? Emangnya HTML yang terlalu ringan bisa terkena masalah ini juga ya?

Bisa! Bahkan saya sendiri yang pernah mengalaminya. Mungkin secara logika tidak masuk akal, tetapi setelah anda telusuri pasti anda mengetahui apa maksudnya.

Note: Bagi anda yang ingin mengerti lebih dalam akan maksud memanipulasi ini, silahkan baca pengalaman saya berikut ini. Bila ingin langsung ke caranya, silahkan scroll kebawah.

Pada saat itu, saya beralih dari template gratisan hasil download ke template 100% buatan sendiri, dengan dalih agar mempercepat loading blog saya, karena saya yang membuat sendiri, maka akan saya buat se-spesial mungkin.

Sangking "spesial"nya, saya saat itu berhasil membuat template sendiri hanya dengan 900 line, tanpa dikompres.

Wow...

...berbeda jauh dengan template-template gratisan yang sering kita download yang mencapai line ke-3000 sampai 4000.

Saya pun segera mengecek kecepatan loading blog saya di Google PageSpeed Insights, tentunya dengan harapan yang baik. Tetapi nasib berkata lain, semua masalah di PageSpeed Insights sudah terselesaikan, kecuali Minify HTML.

Saya pun hampir berputus asa waktu itu, karena berbanding jauh dengan harapan awal saya membuat template sendiri, yaitu memperkecil HTML.

Lalu, saya sempat berpikir seperti ini...

Template yang gratisan dengan line yang mencapai 3000 saja tidak mendapatkan masalah ini, kenapa malah saya dengan line 912 (waktu itu) bisa terkena ya?

Setelah saya googling sana googling sini, informasi yang saya dapat hanya seperti ini:

PageSpeed Insights hanya akan mendeteksi bahwa HTML itu perlu dikompres jika commentnya sebesar 10%+ dari jumlah keseluruhan besar dari HTML tersebut.

Sayapun berpikir, setiap template hostingan blogger pasti memiliki comment, walaupun tanpa kita tambahkan (istilahnya kode comment siluman, cuma muncul pas blog tersebut dibuka). Dan satu fakta lagi, bahwa size comment tadi lumayan besar, dan tidak dapat dihapus.

Saya pikir lagi, bila template saya sizenya terlalu kecil, maka size comment bawaan tadi pasti bisa mencakup 10% dari keseluruhan size template saya, bahkan lebih. Dan saya pun teringat kata-kata yang saya dapat dari hasil googling diatas tadi.

Akhirnya, saya mengerti mengapa template yang memiliki size sangat kecil dapat menimbulkan masalah ini, dikarenakan PageSpeed Insights akan mendeteksi bahwa comment di blog saya sudah melebihi 10% dari size keseluruhan template saya.

Berbeda dengan template yang memiliki size sedang sampai besar, size comment bawaan tadi pasti rasionya mengecil menjadi kurang dari 10% karena size HTML lainnya membesar.

Jadi saya simpulkan cara mengatasinya adalah memperbesar size HTML anda setidaknya menjadi 1500-1700 line atau setara.

Caranya...


Cukup tambahkan kode penambah berat berikut ini diatas kode </body>. Anda tidak perlu scroll sampai kebawah, cukup klik 2x kode dibawah ini, klik kanan, lalu copy.

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//]]></script>

Lalu, simpan template anda. Silahkan lihat hasilnya di Google PageSpeed Insights.

Sedikit tambahan, kode pemberat diatas tidak memberikan efek apapun pada blog anda, karena kode itu hanyalah kode kloningan jquery 1.11.1. Bila kode diatas tidak work, bisa anda dobelkan kode tersebut hingga 2x lipat agar lebih berat.

Oke mungkin sekian saja cara mengecilkan dan menyelesaikan masalah Minify atau Memperkecil HTML, semoga berhasil.

8 komentar untuk artikel ini. Ingin berkomentar?

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Thanks infonya, btw saya sudah menyekesaikan semua maslah yg ada mulai dari blocking render sampai laverage caching namun skor masih poor untuk mobile. Masalah tertinggal hanyalah compress image.
Memangnya berapa size img yang dianjirkan?

Balas Hapus
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Size image yang dianjurkan itu...
1. Tidak lebih besar dari yang ditampilkan (misal besar awalnya 100x100, tapi yang ditampilkan cuma 90x90
2. Sudah dikompres
3. Hindari penggunaan image berekstensi .jpg atau .jpeg, disarankan menggunakan .png dan .gif
4. Lanjutannya nanti saya bahas pada artikel Optimize Image...

Balas Hapus
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Ini membuat blog jadi berat loading gk ya.. perlu dicoba. Apakah comment harus dihapus semua?

Balas Hapus
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Ini prioritasnya gak terlalu tinggi, jadi usahakan dihapus...

Balas Hapus
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ini yang di cari2 dri kemarin hadeuuh -_-. mantap dah ada di bang jarwo :)

Balas Hapus

Silakan masukkan komentar anda. Jangan habiskan waktu hanya untuk melakukan SPAM disini.