我的固定背景使得滚动网站非常慢，我该怎么做才能改进它？

I changed the background of my discussion forum using the CSS below

我使用下面的CSS更改了我的论坛的背景

http://forum.antinovaordemmundial.com

html {
    background: url(http://antinovaordemmundial.com/mystuff/logo_blog.jpg) no-repeat center center fixed;
    background-image: url(http://antinovaordemmundial.com/mystuff/logo_blog.jpg);
    background-repeat-x: no-repeat;
    background-repeat-y: no-repeat;
    background-attachment: fixed;
    background-position-x: 50%;
    background-position-y: 50%;
    background-origin: initial;
    background-clip: initial;
    background-color: initial;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}

The image is 1600x711 and 88k. The scrolling of the pages are now very slow. Is the CSS problematic or the image should be smaller somehow?

图像为1600x711和88k。页面的滚动现在非常慢。 CSS有问题还是图像应该以某种方式变小？

Edit: I tried changing to:

编辑：我尝试过更改为：

body {        
    color: #000;
    font-family: Verdana, Arial, Sans-Serif;
    font-size: 13px;
    text-align: center; /* IE 5 fix */
    line-height: 1.4;
    background-attachment: fixed;
    background-clip: initial;
    background-color: #51010E;
    background-image: url(http://antinovaordemmundial.com/mystuff/logo_blog.jpg);
    background-origin: initial;
    background-position: initial initial;
    background-repeat: initial initial;
    margin-bottom: 0;
    margin-left: auto;
    margin-right: auto;
    margin-top: 0;
    padding-bottom: 0;
    padding-left: 0;
    padding-right: 0;
    padding-top: 0;
}

But it is still very slow on scrolling.

但滚动时仍然很慢。

6 个解决方案

#1

The problem goes away for me when I remove the background-size property. I think it was the scaling of the large image that was causing the problem. If that doesn't work, just remove the background image altogether. However, I've never heard of a large background image causing lag before.

当我删除background-size属性时，问题就消失了。我认为这是导致问题的大图像的缩放。如果这不起作用，只需完全删除背景图像。但是，我从来没有听说过导致滞后的大背景图像。

#2

I had the same problem and solved it using this jQuery plugin : http://srobbin.com/jquery-plugins/jquery-backstretch/

我遇到了同样的问题并使用这个jQuery插件解决了它：http：//srobbin.com/jquery-plugins/jquery-backstretch/

It doesn't use any CSS3 property but it works fine and doesn't have any performance issue on Chrome 13 or Firefox 6.

它不使用任何CSS3属性，但它工作正常，并且在Chrome 13或Firefox 6上没有任何性能问题。

#3

I thought I would just contribute here. Rather than use background-attachment: fixed; use :before and position: fixed; problem sorted. I ran into this same problem.

我以为我会在这里做出贡献。而不是使用background-attachment：fixed;使用：之前和位置：固定;问题排序。我遇到了同样的问题。

点击此处了解更多信息：http：//fourkitchens.com/blog/article/fix-scrolling-performance-css-will-change-property

#4

Also, applying the following style to the html tag improves the frame rate significantly in WebKit browsers, Chrome included:

此外，将以下样式应用于html标记可在WebKit浏览器中显着提高帧速率，Chrome包括：

-webkit-transform: translate3d(0,0,0);

This works in all cases with (large) background photos and choppy scrolling as far as I can tell.

就我所知，这适用于所有情况下（大）背景照片和不连贯的滚动。

#5

Compressing the image (reducing the size), solved my issue, I highly recommend using a tool like Radical Image Optimization Tool (RIOT), very effective and easy.

压缩图像（缩小尺寸），解决了我的问题，我强烈建议使用像Radical Image Optimization Tool（RIOT）这样的工具，非常有效和简单。

On linux, this can be done using GIMP , you can also remove image's metadata to reduce the size, use tool like exiftool.

在linux上，这可以使用GIMP完成，您也可以删除图像的元数据以减小大小，使用像exiftool这样的工具。

#6

The issue is actually with the background-attachment fixed value if you change it to background-attachment: scroll for mobile devices it should fix the lag.

如果您将其更改为背景附件，问题实际上是背景附件固定值：滚动移动设备它应该修复延迟。

#1

#2