[英]CSS loading time
我使用HTML5UP.net中的模板创建了一个个人网站: https ://html5up.net/identity
在main.css文件中,有一个带有背景图像的人体样式。 我用unsplash.com的网址替换了图片。 这样,每次页面加载时,都会有一个新的随机背景图像。
body {
height: 100%;
background-color: #ffffff;
background-image: url("images/overlay.png"), -moz-linear-gradient(60deg, rgba(255, 165, 150, 0.5) 5%, rgba(0, 228, 255, 0.35)), url("https://source.unsplash.com/random");
background-image: url("images/overlay.png"), -webkit-linear-gradient(60deg, rgba(255, 165, 150, 0.5) 5%, rgba(0, 228, 255, 0.35)), url("https://source.unsplash.com/random");
background-image: url("images/overlay.png"), -ms-linear-gradient(60deg, rgba(255, 165, 150, 0.5) 5%, rgba(0, 228, 255, 0.35)), url("https://source.unsplash.com/random");
background-image: url("images/overlay.png"), linear-gradient(60deg, rgba(255, 165, 150, 0.5) 5%, rgba(0, 228, 255, 0.35)), url("https://source.unsplash.com/random");
background-repeat: repeat, no-repeat, no-repeat;
background-size: 100px 100px, cover, cover;
background-position: top left, center center, bottom center;
background-attachment: fixed, fixed, fixed;
}
这样做的缺点是我的网站加载缓慢。 完全加载背景后,将显示我网站的其余部分。
有没有一种方法可以最后加载CSS样式表的这一部分?
index.html的:
<script type="text/javascript">
window.onload = function loadStyleSheet()
{
var stylesheet = document.createElement('link');
stylesheet.href = 'assets/css/bg.css';
stylesheet.rel = 'stylesheet';
stylesheet.type = 'text/css';
document.getElementsByTagName('head')[0].appendChild(stylesheet);
}
</script>
bg.css:
body {
height: 100%;
background-color: #ffffff;
background-image: url("images/overlay.png"), -moz-linear-gradient(60deg, rgba(255, 165, 150, 0.5) 5%, rgba(0, 228, 255, 0.35)), url("https://source.unsplash.com/random/1920x1080");
background-image: url("images/overlay.png"), -webkit-linear-gradient(60deg, rgba(255, 165, 150, 0.5) 5%, rgba(0, 228, 255, 0.35)), url("https://source.unsplash.com/random/1920x1080");
background-image: url("images/overlay.png"), -ms-linear-gradient(60deg, rgba(255, 165, 150, 0.5) 5%, rgba(0, 228, 255, 0.35)), url("https://source.unsplash.com/random/1920x1080");
background-image: url("images/overlay.png"), linear-gradient(60deg, rgba(255, 165, 150, 0.5) 5%, rgba(0, 228, 255, 0.35)), url("https://source.unsplash.com/random/1920x1080");
background-repeat: repeat, no-repeat, no-repeat;
background-size: 100px 100px, cover, cover;
background-position: top left, center center, bottom center;
background-attachment: fixed, fixed, fixed;
}
的main.css:
body {
height: 100%;
background-color: #ffffff;
background-image: url("images/overlay.png"), -moz-linear-gradient(60deg, rgba(255, 165, 150, 0.5) 5%, rgba(0, 228, 255, 0.35)), url("../../images/bg.jpg");
background-image: url("images/overlay.png"), -webkit-linear-gradient(60deg, rgba(255, 165, 150, 0.5) 5%, rgba(0, 228, 255, 0.35)), url("../../images/bg.jpg");
background-image: url("images/overlay.png"), -ms-linear-gradient(60deg, rgba(255, 165, 150, 0.5) 5%, rgba(0, 228, 255, 0.35)), url("../../images/bg.jpg");
background-image: url("images/overlay.png"), linear-gradient(60deg, rgba(255, 165, 150, 0.5) 5%, rgba(0, 228, 255, 0.35)), url("../../images/bg.jpg");
background-repeat: repeat, no-repeat, no-repeat;
background-size: 100px 100px, cover, cover;
background-position: top left, center center, bottom center;
background-attachment: fixed, fixed, fixed;
}
现在,页面在背景之前加载。
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