Language does impact on the web page design in many ways.
Font and layout
English will require more space between the line, which means we should give more line-height. However, using large line-height in Chinese content website will make it feel too loose and relax. In my point of view, it is more like there is no content on your web site but you wants to fill the page up.
This story is opposite for the paragraph. Chinese has more strokes in the characters which make the block of the paragraph solid. Chinese content may need more space than the English content to divide the blocks.
The minimum readable font sizes are also different, We can distinguish 9 px English characters, but it is uncomfortable to read Chinese characters which is less than 12px.
With the language tag help
In my point of view, I would present the