Cara Mempercepat Loading Image di Blog
Nah, pada kesempatan kali ini saya akan berbagi tutorial mengenai cara mempercepat loading image pada blog. Tapi sebelum ke tutorial terlebih dahulu faktor penyebab loading image menjadi lambat.
Beberapa Faktor Penyebab Loading Image Menjadi Lambat
#1 - Ukuran atau Resolusi Gambar terlalu besar#2 - Terlalu banyak gambar di postingan blog Anda.
Solusi:
#1 - Ubah atau Perkecil ukuran gambarnya.#2 - Kompres gambar.
#3 - Maksimal 1 sampai 3 gambar di postingan.
Selain solusi diatas, ada cara lain untuk mengatasi hal tersebut dengan menambahkan script Lazy Load Image pada blog Anda agar loadingnya lebih cepat. Fungsi dari script Lazy Load Image ini untuk meningkatkan kinerja loading gambar pada blog Anda. Script ini sudah support di browser Chrome, Firefox dan lainnya.
Kita langsung ke tutorialnya.
Cara Mempercepat Loading Image di Blog
Langkah #1 - Buka dashboard Blogger Anda.Langkah #2 - Pilih menu Tema > Klik Edit HTML.
Langkah #3 - Copy dan paste kode dibawah ini tempat DIATAS </head>.
<script type='text/javascript'>
//<;
self.loaded = true;
/* Remove image from array so it is not looped next time. */
var temp = $.grep(elements, function(element) {
return !element.loaded;
});
elements = $(temp);
if (settings.load) {
var elements_left = elements.length;
settings.load.call(self, elements_left, settings);
}
})
.attr("src", $self.data(settings.data_attribute));
}
});
/* When wanted event is triggered load original image */
/* by triggering appear. */
if (0 !== settings.event.indexOf("scroll")) {
$self.bind(settings.event, function(event) {
if (!self.loaded) {
$self.trigger("appear");
}
});
}
});
/* Check if something appears when window is resized. */
$window.bind("resize", function(event) {
update();
});
/* With IOS5 force loading images when navigating with back button. */
/* Non optimal workaround. */
if ((/iphone|ipod|ipad.*os 5/gi).test(navigator.appVersion)) {
$window.bind("pageshow", function(event) {
if (event.originalEvent.persisted) {
elements.each(function() {
$(this).trigger("appear");
});
}
});
}
/* Force initial check if images should appear. */
$(window).load(function() {
update();
});
return this;
};
/* Convenience methods in jQuery namespace. */
/* Use as $.belowthefold(element, {threshold : 100, container : window}) */
$.belowthefold = function(element, settings) {
var fold;
if (settings.container === undefined || settings.container === window) {
fold = $window.height() + $window.scrollTop();
} else {
fold = $(settings.container).offset().top + $(settings.container).height();
}
return fold <= $(element).offset().top - settings.threshold;
};
$.rightoffold = function(element, settings) {
var fold;
if (settings.container === undefined || settings.container === window) {
fold = $window.width() + $window.scrollLeft();
} else {
fold = $(settings.container).offset().left + $(settings.container).width();
}
return fold <= $(element).offset().left - settings.threshold;
};
$.abovethetop = function(element, settings) {
var fold;
if (settings.container === undefined || settings.container === window) {
fold = $window.scrollTop();
} else {
fold = $(settings.container).offset().top;
}
return fold >= $(element).offset().top + settings.threshold + $(element).height();
};
$.leftofbegin = function(element, settings) {
var fold;
if (settings.container === undefined || settings.container === window) {
fold = $window.scrollLeft();
} else {
fold = $(settings.container).offset().left;
}
return fold >= $(element).offset().left + settings.threshold + $(element).width();
};
$.inviewport = function(element, settings) {
return !$.rightoffold(element, settings) && !$.leftofbegin(element, settings) &&
!$.belowthefold(element, settings) && !$.abovethetop(element, settings);
};
/* Custom selectors for your convenience. */
/* Use as $("img:below-the-fold").something() or */
/* $("img").filter(":below-the-fold").something() which is faster */
$.extend($.expr[':'], {
"below-the-fold" : function(a) { return $.belowthefold(a, {threshold : 0}); },
"above-the-top" : function(a) { return !$.belowthefold(a, {threshold : 0}); },
"right-of-screen": function(a) { return $.rightoffold(a, {threshold : 0}); },
"left-of-screen" : function(a) { return !$.rightoffold(a, {threshold : 0}); },
"in-viewport" : function(a) { return $.inviewport(a, {threshold : 0}); },
/* Maintain BC for couple of versions. */
"above-the-fold" : function(a) { return !$.belowthefold(a, {threshold : 0}); },
"right-of-fold" : function(a) { return $.rightoffold(a, {threshold : 0}); },
"left-of-fold" : function(a) { return !$.rightoffold(a, {threshold : 0}); }
});
//]]>
</script>
<script charset='utf-8' type='text/javascript'>
$(function() {
$(&quot;img&quot;).lazyload({placeholder : &quot;http://4.bp.blogspot.com/-wRaPvE0Jqrs/USIW4erewNI/AAAAAAAAFNk/TXDOtgYUGlc/s1600/grey.gif&quot;,threshold : 200});
});
</script>Penutup
Itulah tutorial Cara Mempercepat Loading Image di Blog, apabila ada pertanyaan silahkan komen dibawah. Sampai disini, sekian dan terima kasih.Selamat Mencoba!
2 comments for "Cara Mempercepat Loading Image di Blog"
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