The latter opens Just about every website link in a new tab/window. The former (missing quotations) opens the first link you click in one new tab/window, then overwrites that very same tab/window with Each individual subsequent website link you simply click (which is named also Together with the missing quotes). https://www.slideshare.net/slideshow/ganga-realty-liv-89-premium-living-in-gurgaon-s-new-residential-landmark/280613782