The Interactive Advertising Bureau planned to release a new tool Monday that allows ad designers, developers and ad operations teams to verify that their HTML5 ad units meet the current bureau’s guidelines. The IAB was set to announce it at its Mobile Marketplace conference in New York. “The IAB Tech Lab’s HTML5 Ad Validator is a utility for suppliers and publishers to verify that assets are matching the spec and their requirements,” said Scott Cunningham, general manager of the IAB Tech Lab. “This will be critical in delivering better end-user experience and preventing problems, such as too many Javascript tags and poor build, before ad creative makes it to consumers’ screens.” Continue reading this press release here.