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While I code in Visual Studio, I have lot of
I know its a non-breaking space, but my question is whether its absence or presence can help to better web page performance?
Why is it and for what it is needed??
It is a character entity for a non-break space.
It means that it the space will not be collapsed when viewed in a browser (as whitespace is normalized and ignored in HTML).
The only proper use of it is to ensure that certain words will not wrap (if you always want them to appear on the same line). For example
Open University– will not wrap.It doesn’t effect performance, apart from the added characters that get transmitted.
In earlier times, before CSS was widely used,
s were used in conjunction with tables for layout. These days, you should use CSS for layout.