IFrames, unlike HTML frames, allow you to place customizable windows on a Web page without using frameset elements. Some site owners use iFrames to display other Web pages; others add videos or other ...
Canonical URLs help prevent duplicate content in search. Learn what they are, why they matter, and how to set them up correctly to protect rankings. Canonical URLs are HTML elements that tell search ...
So in short, be safe, make sure your URLs do not have spaces in them. It is best to use hyphens, but you can close the wholes with the + or "%20" but it is probably best to use hyphens.
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