Question

我在gtmetrix上有93％的pagespeed和88％的yslow，但在“指定图像尺寸”上有70％的结果。我该怎么办？

The following image(s) are missing width and/or height attributes.

http://www.cochlea.co.il/wp-content/uploads/2015/06/ab_trans.png (Dimensions: 25 x 25)
http://www.cochlea.co.il/wp-content/uploads/2015/06/cochlear_trans.png (Dimensions: 25 x 25)
http://www.cochlea.co.il/wp-content/uploads/2015/06/medel_trans.png (Dimensions: 25 x 25)
http://www.cochlea.co.il/wp-content/uploads/2015/07/cochleagold.png (Dimensions: 316 x 158)
http://www.cochlea.co.il/wp-content/uploads/2015/07/gmaps-25.png (Dimensions: 25 x 25)
http://www.cochlea.co.il/wp-content/uploads/2015/07/ta.png (Dimensions: 35 x 35)

<img src="/wp-content/uploads/2015/06/ab_trans.png" alt="AB">

Answer 1

在HTML中，请务必指定图片的尺寸。

正确：

<img src="http://www.cochlea.co.il/wp-content/uploads/2015/06/ab_trans.png" width="25" height="25" />

不正确（严格来说严格不正确，但效率肯定不高 - 这就是pagespeed / yslow抱怨的内容）：

<img src="http://www.cochlea.co.il/wp-content/uploads/2015/06/ab_trans.png" />

如何使用css指定图像尺寸？

1 个答案: