W3c is the body that tries to standardize this stuff, they generate The principles, then programmers generate their rendering motor to interpret People rules. - Really helps to log in on multiple products and unique browsers in various operating techniques utilized by customers. - A higher personalized working experience - https://redhotbookmarks.com/story19327634/prestashop-live-chat-support-with-zopim-zendesk-chat-an-overview