Until recently, my site (www.heatexchangers.ca) scored 98% on Google Page Speed. There were a couple of things I could do nothing about such as the query string from web fonts. I was very happy with this as this represented all that I could do.Until recently, my site (www.heatexchangers.ca)
阅读背景：
谷歌页面显示的“超出常规内容”是什么?
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