Another practice that can greatly increase initial download size is lazy loading the contentportion of the page and caching it once it is downloaded.
可以极大减少初始下载大小的另一个方法是，对页面的内容部分进行延迟加载，并在加载之后对其进行缓存。
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There is one additional trick that can be used with a here script. Often you will want to indent the contentportion of the here script to improve the readability of your script.
Syntactically, SVG is indeed XML, but a significant portion of the information content of an SVG drawing is contained within comma - and space-delimited data inside SVG attributes.