seo - Hypens vs Underscores for image names on website - Webmasters ...

While underscores have been prolific decades ago, today they are interpreted differently by search engines. Hyphens are word separators. cute-puppieswould be interpreted as cute puppies, which allows more opportunity to be returned for searches related to puppies. Underscores are word joiners. cute_puppieswould be interpreted as cutepuppies ...